If you are looking for the best party theme ideas for adults in 2023, look no further!
We’ve rounded up 51 amazing grown up party themes, so you’ll be guaranteed to find the perfect one for you!
Planning a party is so exciting, so lets’ get cracking…
We’ve fantastic themes for women, such as spa parties, boho chic parties, movie night parties, and others for men, like beer parties, Star Wars parties and so so much more.
Also, if you’re looking exclusively for 40th birthday party ideas, we’ve rounded up the most popular 40th birthday party ideas for women and the best 40th birthday party themes for men.
Top 51 Best Party Themes for Adults!
1. 21st Birthday Parties
A 21st is a big deal and one of those milestone birthdays that need to be celebrated in style.
Make sure there’s a photo booth so you can take a bunch of awesome photos of family and friends to look back on.
Browse real 21st birthday parties here.
2. 30th Birthday Parties
Saying goodbye to your 20’s is big deal, so get together with your family members and friends to drink to your 30th birthday!
Don’t be intimidated by such a big number and enjoy all the good things ahead of you!
Browse real 30th birthday parties here.
3. 40th Birthday Parties
Turning 40 can be daunting, but don’t let that stop you from throwing a party to remember.
It’s the perfect occasion to go all out and make this a memorable one!
Browse real 40th birthday parties here.
4. 50th Birthday Parties
Everyone will be so looking forward to singing happy birthday to you for your 50th!
Such an important birthday deserves a unique party theme at a special spot, such as a favorite restaurant.
Browse real 50th birthday parties here.
5. Retro/Vintage Parties
A retro-themed party is a great choice for anyone celebrating a milestone birthday, such as a 30th, 40th, 50th, etc…
Go back in time and treat everyone to a fun throwback to the ’70s, ’80s, ’90s. You can bet it will be a night to remember.
Browse real retro/vintage parties here.
6. Disco Parties
A disco-themed party will undoubtedly be a hit! Who doesn’t love a party with great music and lots of dancing?
You can bet everyone will be scrabbling to hit the dance floor and have a good time.
Browse real disco parties here.
7. Pool Parties
If you are throwing a party on a hot summer day, cool everyone off with a fab pool party, lots of delicious ice cream, and some refreshing cocktails in the sun.
It’s a great way to host a birthday celebration during the summer, so make sure you tell your guests to bring their swimsuits, bikinis, trunks, and towels!
Browse real pool parties here.
8. Luau Parties
Transport your family and friends to tropical shores, full of palm trees, with a Hawaiian luau-themed party.
It’s a great summer party theme where you can serve lots of fresh fruit, salads, and of course, whip up some famous Hawaiian Mai Tai’s!
Here are some on-trend luau party ideas to give you great ideas!
Browse real luau parties here.
9. Mermaid Parties
Another awesome summer party theme is a mermaid party, where you can take your guests on a magical under the sea extravaganza.
Treat everyone to a mystical celebration with these mermaid dessert inspirations, including ideas for cute cookies, cupcakes, and cakes, we’ve got you covered.
Browse real mermaid birthday parties here.
FREE MERMAID PARTY PRINTABLES
And don’t miss these fantastic free mermaid party printables to decorate your party and this collection of mermaid party supplies!
Browse real mermaid parties here.
10. BBQ Parties
There’s nothing better than a laidback BBQ in your backyard or at a park with those closest to you.
Here are some great barbecue party ideas to get you planning.
Your menu can be much more than just burgers on the grill. Add some tasty, tangy summer salads, ice-cold drinks, some s’mores pizza and some adorable BBQ grill cookies.
For instance, placing cold beers and ice in an empty BBQ is a great way to serve drinks like in the photo below.
How about serving chips and dip in this DIY tiered BBQ serving tray.
And how about setting up the adorable BBQ picnic candy table for your little guests. They will eat it up!
Browse all our real BBQ parties here.
FREE BBQ PARTY PRINTABLES
We’ve even got these fun free Solo Cup BBQ party printables or our free rusting BBQ party printables to give your party some style!
11. Fiesta Parties
If you love a Mexican fiesta then you’ve just got yourself a great theme for a memorable party! 2023 is the year of the fiesta parties!
Make sure your party decorations are full of bright colors and that you treat your guest’s lots of tasty tacos and margaritas.
Everyone will have so much fun!
Browse real Mexican fiesta parties here.
12. Boho Picnic Parties
Over the past year, boho picnic parties have become so popular on CatchMyParty.com.
There’s something so laidback and whimsical about comfy floor cushions and gorgeous boho-style decorations.
It’s one of our best party themes for a ladies get together, or a bridal shower.
Decorate your party using this easy boho dreamcatcher DIY.
Browse real boho chic parties here.
13. Dinner Parties
If you’d rather keep things small and intimate how about throwing a dinner party with your best friends?
You don’t need a large number of guests and you can all enjoy each other’s company in a more relaxed setting.
What’s great about a dinner party is that you can either go over the top and have a glam affair or simply have a rustic-themed party with lots of floral arrangements.
Browse real dinner parties here.
14. Bridal Shower Parties
If like me, you love party planning, then you’ll love throwing a bridal shower!
It’s the perfect way to pamper a bride-to-be and spend some quality time together enjoying good food and drinks.
Don’t forget to keep everyone entertained with some fun party games.
Download our free bridal shower party printables to decorate your parties.
Browse real bridal showers here.
15. Bachelorette Parties
A girl can’t get married with about a proper ‘fling before the ring’ so round up the bride to be best friends and have the ultimate girl’s night out/in!
It’s a fun way to have a proper send-off before the big day, by either going all out and dancing the night away at a swanky club or by simply spending a lovely weekend away glamping with your closest friends.
Browse real bachelorette parties here.
16. Brunch Parties
If you want to throw an easy-going party where everyone can mix and mingle then maybe you could go for a brunch party.
It’s a great theme if you are planning a party with a more relaxed atmosphere. Serve a buffet with lots of types of food, conveniently combining the best of breakfast and lunch.
Browse real brunch parties here.
17. Spa Parties
Kick back and relax with one of the most indulgent birthday party themes imaginable!
There’s no better way to celebrate a birthday than with a massage, facial, and manicure.
Browse real spa parties here.
18. Parisian Parties
This next all-time favorite theme is oh so chic!
There’s no better excuse to add some style and sophistication to your birthday celebrations than by throwing a French Parisian party!t
It’s the next best thing to a trip to the French capital of lights.
Browse real French/Parisian parties here.
19. Chanel Parties
If you are a true fashionista you are going to love this next classic party theme.
A Chanel birthday is perfect for anyone who loves elegance, and there’s nothing more stylish than a birthday cake topped with a gold stiletto and covered in fresh roses.
Browse real Chanel parties here.
20. Tiffany’s Parties
Another stylish party theme that oozes luxury would have to be a Tiffany’s party, inspired by the movie “Breakfast at Tiffany’s”
Add some sparkle to your big day and throw a party to dazzle all your guests, by creating an elegant affair, reminiscent of the classic movie. Decorate your party with as many pearls, silver, and gemstones as you can get your hands on, and don’t forget to incorporate the signature Tiffany blue-inspired boxes too!
Browse real Tiffany’s parties here.
21. Kate Spade Parties
If you love fashion and still haven’t found the perfect party theme how about throwing a Kate Spade birthday?
Decorate your dessert table with her iconic black and white stripes with pops of pink and gold.
Browse real Kate Spade parties here.
22. Great Gatsby Parties
If you love themed parties and everything about the roaring 20’s how about throwing a Great Gatsby party? Step back and time and treat your guests to some vintage glam.
As long as you have lots of feathers, bubbly champagne, great jazz, and lots of sparkles, you really can’t go wrong. Ask your guest to come in costume.
Don’t forget to include the dress code on the invitation! See how many guests in flapper dresses show up. Who doesn’t love a 20’s costume party!
Browse real Great Gatsby parties here.
23. Masquerade Parties
A great way to add some sophisticated mystique to your celebration is by throwing a masquerade-themed party. It’s the perfect excuse for everyone to dress up and have fun.
Chandeliers and Venetian artisan masks are a must-have and a big part of the 16th-century attire, typically associated with a masquerade party.
Browse real masquerade parties here.
24. Glam Parties
Treat yourself to a glamorous party theme where your guests can have a ball showing off all the glitz, glamour, and bling.
There’s something so was exuberant about looking elegant and feeling like 1 million dollars, so roll out the red carpet and throw a party that will go down in history!
Browse real glam parties here.
25. Black Tie Parties
It isn’t always easy figuring out a party theme for a men’s birthday, but if you are planning a memorable event and want to make it an elegant affair how about throwing a tuxedo-themed party?
Make sure to add black, gold, and lots of dazzle to your decorations to create a sophisticated look.
It’s also a great theme for a reunion, anniversary, or even a New Year’s Eve party.
26. Superhero Parties
If you’re a kid at heart and still get a real kick out of a great superhero movie and tv show, how about throwing an awesome superhero party?
It’s the perfect theme for a die-hard Marvel or DC fan who relishes all the action and strength superheroes, such as Spider-Man and Wonder Woman, possess.
Browse real superhero parties here.
FREE SUPERHERO PARTY PRINTABLES
Also, download our free superhero party printables to decorate your party in a pow-erful way!
27. Movie Night Parties
Treat everyone to a great time by hosting a fab movie night party where your guests are treated like movie stars and get red carpet treatment.
Send out tickets instead of party invitations and share your love for movies with all your family and friends.
Decorate your party with movie reels, clapboards, movie cameras, film strips, a Hollywood sign, and of course, lots of popcorn!
Browse real movie night parties here.
Free Movie Night Party Printables
Download our awesome free movie night party printables to give your party some pizazz!
28. Star Wars Parties
The ultimate fun party theme for a wanna-be Jedi, who’s still a kid at heart, is undoubtedly a Star Wars-themed birthday party.
Star Wars continues to be a force in many grownups’ lives, so throw the greatest party in the galaxy, with an awesome Star Wars cake, and take your guests on a journey to the distant corners of the universe.
Here are some fun Star Wars chocolates that are so easy to make and a sure crowd-pleaser. Here are a few more Star Wars party ideas to inspire you.
Browse real Star Wars parties here.
Free Star Wars Party Printables
Use our free Star Wars party printables to add that special touch to your party!
29. Harry Potter Parties
Finding great adult birthday party ideas can sometimes be tough, but if you are into witchcraft and wizardry and love Harry Potter you might want to consider throwing a Harry Potter birthday party!
The environment sets the whole mood for the party so fill your venue with a bunch of Harry Potter-inspired decorations, such as old suitcases, birdcages, and a couple of broomsticks.
Browse real Harry Potter parties here.
30. Game of Thrones Parties
Send out the ravens and party like we are still in medieval times with a Game of Thrones-inspired party!
Decorate your party with GOT posters or even a Westeros map, lots of dragon eggs, and cover your chairs with sheepskins and furs, after all, winter is coming.
Browse real Game of Thrones parties here.
31. Murder Mystery Parties
It isn’t easy finding the perfect theme for an adult birthday party, so how about trying something a little different and hosting a murder mystery party where everyone gets to participate and figure out who did it?
Prior to the night, get your murder mystery party kit which includes everything you’ll need for the night, including the murder story, the clues, and the background story of each of your characters a.k.a. your guests.
What’s cool about the party theme is that it’s such a fun and unique way to get your guests involved in what will be a memorable night.
Browse real murder mystery parties here.
32. James Bond Parties
Another excellent adult party theme for a die-hard 007 fan is a James Bond-themed party.
Make it a memorable event by letting your guests know they must come dressed to kill and don’t forget to serve his signature shaken, not stirred Martini!
Browse real James Bond parties here.
33. Casino Parties
Recreate the ultimate Vegas-like experience by throwing a casino night party with your family and friends.
It’s a great excuse to get everyone together to play some blackjack, poker, or roulette, all while enjoying sophisticated appetizers at an easy-to-eat buffet.
Everyone will jump at the opportunity to get all dressed up and feel glamorous for the night so make sure you let them know the dress code.
Browse real casino parties here.
34. Game Night Parties
We are all so ready to get back to socializing with family and friends like we used to, so how about throwing a fun games night?
Dust off those old board games and sit down for an exciting night jam-packed with games and lots of snacks!
Browse real game night parties here.
Free Game Night Party Printables
Download our free game night party printables to give your party some style!
35. Rodeo Cowboy Parties
An all-time favorite adult birthday party theme is a good old rodeo party where everyone gets to celebrate in a laidback and relaxed atmosphere.
It’s a good theme for a fancy dress party so make sure your guests bring their cowboy boots and hats, which will double up as great photo booth props!
Create a cowboy saloon bar with small tables and low seats grouped around them, and decorate your space with hay bales covered with hessian bags for your guests to sit on.
If you wants lots of great cowboy birthday party ideas, we’ve got them!
Browse real cowboy parties here.
36. Jack Daniels Parties
A good theme for those that are passionate about whisky is a Jack Daniels-themed party.
Make sure all your decorations are on theme and that there’s plenty of whisky for everyone.
Browse real cocktail parties here.
37. Beer Parties
If on the other hand beer is more of your thing (or probably, in this case, his) then how about a fun idea and throwing a beer-inspired party!
Make it a tasting party and serve a bunch of different types of beer. Make sure you have cool party games too.
Browse real beer parties here.
38. Golf Parties
The perfect theme for anyone that loves a good round of golf is obviously a golf-themed birthday party!
Set up a wall with photos to show off all his golfing achievements and decorate with golf-themed party decorations.
Browse real golf parties here.
39. Fishing Parties
If you have a fishing enthusiast in your family then how about throwing them a fishing-themed adult birthday party?
Decorate your party with fishing supplies, such as some silver buckets, lures, and fishing rods. You really can’t go wrong!
Browse real fishing parties here.
40. Football Parties
Sport-themed parties are the best!
If you are stuck on a theme for a man’s birthday party how about treating him to a football-themed one?
Serve lots of game-day foods and decorate the party with a bunch of football-inspired decor.
You can bet your male guests are gonna have a blast!
Browse real football parties here.
Free Football Party Printables
Download our free football party printables to add that special touch to your party!
41. Cars Parties
A lot of men can’t get enough of their vintage cars and take what feels like a long time taking care of them.
If your planning a party for someone who’s passionate about cars then a car-themed party is a great option.
Browse real cars parties here.
42. Pirate Parties
Adults love pirates just as much as kids do, so it’s the perfect party theme for anyone you know that is fascinated with them.
Decorate your party with skeletons, pirate flags, and treasure chests to create a pirate vibe, and don’t forget to serve lots of rum!
Browse real pirate parties here.
Free Pirate Party Printables
Use our free pirate party printables to add some style to your party
43. Galentine’s Day Parties
A Galentines’ day is all about women coming together and celebrating their friendship.
It’s such a great idea and there’s literally no better way to catch up than with a wonderful ladies’ night!
Browse real Valentine’s Day parties here.
44. Super Bowl Parties
Super Bowl comes once a year and is such a big deal in our house!
There’s nothing we love more than having friends over to watch the big game in our living room, and share delicious game food with.
Browse real Super Bowl parties here.
45. Mardi Gras Parties
Throwing a Mardi Gras party can be so much fun! It’s such a great party theme for anyone that loves New Orleans and everything about the Big Easy!
Treat your guests to amazing New Orleans-inspired cuisine and serve Hurricanes to drink.
Don’t forget to have lots of Mardi Gras beads on hand to decorate your party and to wear.
Browse real Mardi Gras parties here.
46. Halloween Parties
A Halloween party perfect excuse for party guests to put on a fancy dress and celebrate one of the year’s best holidays!
Round up all your friends and host a spooky night with lots of cobwebs, skulls, and creepy crawlies.
Browse real Halloween parties here.
47. Friendsgiving Parties
There’s nothing better than gathering all your friends together and letting each other know just how grateful you are to have them in your life.
A Friendsgiving party is a perfect theme for an adult party and it’s such a fun way to spend some quality time together in the Fall.
Make it a relaxed ambiance with lots of comfy floor cushions and a laidback vibe.
Browse real Thanksgiving parties here.
48. Ugly Sweater Christmas Parties
If you are looking for a fun way to celebrate Christmas with your family or friends how about throwing an ugly sweater party?
Make it a tradition and have every come dressed in the ugliest Christmas sweater they can find.
Make sure you hand out a prize for the ugliest sweater of them all!
Browse real Christmas parties here.
49. NYE Parties
Ring in the New Year by throwing an epic NYE party. Decorate with lots of sparkle, as you dance the night away, and drink champagne.
It’s the perfect way to end the holiday season and celebrate all the wonderful things the new year has to offer!
Browse real New Year’s Eve parties here.
50. Chinese New Year Parties
Throw a Chinese New Year party to wish a new year of good fortune to your loved ones.
It’s a wonderful theme that allows yout to celebrate Chinese culture and traditions.
Serve a wide variety of Chinese dishes, each with its own symbolic meaning that is supposed to boost the amount of luck that arrives at your door.
Browse real Chinese New Year parties here.
51. Olympics Parties
There’s nothing I love more than sports, which is why I get so excited each time it’s the Olympic games.
It’s the perfect time to get together with family and friends and enjoy each other’s company while watching the games together.
If you’re celebrating a birthday during that time how about throwing an Olympics-themed party. You never know, team USA may even give you a birthday surprise!
Browse real Olympic parties here.
We hope you enjoyed this post of the top 51 best party themes for adults!
For more inspiration, check out all our amazing grown-up party themes on our site! Happy planning!
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