37 Best Dress Up Party Themes For Adults

Check out all these great ideas for dress up party themes for adults. Throwing an adult dress up party is a great way to be sure your party is a hit and your friends all have a good time.

I have gathered some fabulous creative party theme ideas, so you will be able to find the perfect theme for your next all-adult party. Choosing an event theme lets guests get excited before the party. They are thinking of costume ideas and how they can make theirs the best.

Before you start planning your adult-themed party, be sure and get my FREE printable party planner. This free party planner will make the next party you host fun and easy. If you are throwing a small party or a big event, this planning checklist will simplify taking care of all the details.

You will get all these pages in your planner to help you stay organized and not forget any details.

• Brainstorming and party details sheet
• Guest List
• Menu
• Grocery List
• Decorations Planning
• Entertainment
• Day Of The Party Schedule
• Count Down To-do List
• Party Space Grid Planner Sheet
• Bonus* Free Printable Banner With Letters

To get your planner join my members-only hospitality library.

Next, go through these adult party theme ideas. Choosing a specific theme helps you, the party-giver narrow down decorations, party food, and where to have the party. As you decide, take into consideration these points.

• What event space you can use. Your home, backyard, or rent someplace.
• How difficult will it be for your guest to find or make costumes
• Decide which types of party themes make it easy for you to prepare snacks or dinner

DRESS UP THEME PARTIES

Now the fun part, scroll through these adult dress-up party themes and find one perfect for your next party.

COME AS YOU WERE

Characters: Yourself

Best Costume Prize: Trophies for biggest nerd, most cool, funniest, and so forth.

Pick a time in everyone's life. Something like the day you graduated from high school or the day you started your first job. Have everyone wear what they would have been wearing at that particular time in their life. Need food ideas? Try these Quick and Easy Cheap Party Finger Foods Ideas.

MARGARITAVILLE

Characters: Have everyone dress like a beach bum.

Best Costume Prize: A bottle of margarita mix, margarita glasses

This would be a fun outdoor party. Play Jimmy Buffet music and set up a margarita bar. Decorate like you are on the beach or Jimmy Buffet decorations. For dinner make it seafood with this Lemon Butter Tolopia, it only takes 10 minutes to make and it's sure to become a favorite.

WESTERN PARTY

Characters: cowboys, cowgirls, Miss Kitty, Annie Oakley, Mr. Cartwright, Hoss, Little Joe, sheriff, outlaw

Best Costume Prizes: saloon shot glass, beef jerky, toy guns and sheriff badge

This would be a great party to set up the bar with a saloon theme. You could also have old black and white westerns playing on the tv while you play poker. Here are some fun western party decorations. For some food, wrestle up some grub like, my Air Fryer Baked Potatos. Top them with some Copycat Texas Roadhouse Chili or Roast Beef and Gravy.

PIRATES OF THE CARIBBEAN

Characters: Captain Kidd, Black Beard, Treasure Island, Pirates of the Caribbean, Captain Hook

Best Costume Prize: gold sword, treasure chest, chocolate gold coins

Decorate some coolers to look like treasure chests, fill them with ice and a favorite beverage. Choose some fun adult pirate party decor. This would be a great poolside party. Whip up a batch of Party Juice for all your thirsty pirates!

ZOMBIE OR WALKING DEAD

Characters: Walking Dead, Night of the Living Dead, Dawn of the Dead

Best Costume Prize: best zombi medal or trophy, zombie movie on dvd

Turn the lights down low or use some black light to set the mood. This would also be a great outdoor party.

HERO AND VILLAIN PARTY

Characters: Wonder Woman, Avengers, Batman, Joker, Spiderman

Best Costume Prize: gold medal, kryptonite rock, cape

Guest come as their favorite superhero or villain. Check out Fantastic Decorating Ideas for an Adult Superhero Party for decorating ideas.

JAMES BOND

Characters: James Bond, Pussy Galore, Goldfinger, Q, Tilly Masterson, Aki, Miss Caruso, Mary Goodnight, Log Cabin Girl

Best Costume Prize: James Bond movie DVD

Here is a fun party idea, model the party around your favorite James Bond movies. For for an elegant dinner serve Whiskey Steaks with Air Fryer Baked Potatos.

BACK TO THE FUTURE

Characters: Marty, Doc Brown, Clara Clayton, Biff Tannen, Jennifer Parker, Dave & Linda McFly

Best Costume Prize: Back to the Future: 30th Anniversary Trilogy & Complete Animated Series

MASQUERADE BALL

Characters: the unknown person because they are behind a mask.

Best Costume Prize: Certificate for most mysterious, pretties mask or funniest mask

This would be an easy party for guests to make costumes. Women could do simple white feather masks or purchase a pretty mask online.

HAWAIIAN THEMED PARTY

Characters: guest dress up in Hawaiian traditional outfits.

Best Costume Prize: Leis, Hawaiian shirt, pineapple

A Hawaiian party is a fun option for warm weather. Set the party up by your pool and have guest wear their best Hawaiian attire. Buy some blow-up large palm trees and set them all around your pool. String lights all around to create a fun atmosphere in the evening. Serve some Instant Pot Coconut Rice along with some Curried Coconut Chicken on top.

FIESTA MEXICAN THEMED PARTY

Characters: Friends dressed up in traditional Mexican attire. Ladies can wear a Mexican fancy dress. Men can wear sombreros, serape, and paint on a big handlebar mustache.

Best Costume Prize: Sombrero, Serape (blanket), Mexican beer

Let’s have a Fiesta! Go to my Mexican Party Theme Ideas and Recipes. You will find everything you need to throw a great festive party easily. The best thing about this party theme is the delicious food that you can serve at this party.

• Shrimp Pico De Gallo 
• Festive Mexican Rice Salad
• Mexican Coleslaw
• Mexican Tomato Soup 
• Green Tomato Salsa Vede
• Spicy Pico De Gallo
• Nacho Casserole For A Crowd
• Vegan Nacho Cheese

COCKTAIL THEMED PARTY

Characters: Friends dress up like their favorite cocktail. This could get wild!

Best Costume Prizes: Bottle of good booze, cocktail glasses, bartenders recipe book

Set up a bar and get out your bartender's recipe book. The focus of this party is to try different and unique cocktails. Have your guest bring the recipe for the cocktail they dress up as and the booze and ingredients needed to make it. Try serving this beautiful pink, Azalea Chocktail. If you have friends attending that are not drinking liquor then also serve this Spiced Mocktail and Apple Cider Mocktail.

VICTORIAN-ERA STYLE PARTY

Characters: Friends dress up as a person from the Victorian Era

Best Costume Prize: Parasols, long white gloves, tea cups

For fun, Victorian party ideas be sure and visit, How to Throw an 1800s Victorian-Themed Tea or Garden Party Of course tea was very popular during the Victorian Era so be sure and visit Everything You Need To Know Abut Serving Tea. Make a batch of these Italian Biscotti and Mocha Cupcakes to serve.

ROARING 20'S

Characters: flappers, gangsters, prohibition officers, Ernest Hemingway, Charlie Chaplin, Coco Chanel, George Gershwin, Georgia O’Keeffe, Bugsy Malone

Best Costume Prize: Chocolate cigar, pearl strands

The '20s was all about glitz and glamour. Decorate with gold, white and black—also, big white feathers and art deco. For party ideas visit, How to Throw a Roaring 20s Party: Ideas for Decor, Food, and Fun.

AGATHA CHRISTIE PARTY

Characters: someone from Murder on the Orient Express, Poirot, Miss Marple, Death on the Nile, Sparkling Cyanide

Best Costume Prize: Spy glass, Agatha Christie book

This would be a good theme if you want to host a murder mystery dinner. Try some of these fun mystery party decorations.

FAMOUS DEAD PEOPLE

Characters: Anybody that is dead and famous

Best Costume Prize: Make certificates or give out award medals.

Have your guest dress up like someone famous that is dead. Make a game out of guessing who they are dressed like and be sure to award prizes.

CLUE

Characters: Mrs. White, Mrs. Peacock,Professor Plum, Colonel Mustard, Miss Scarlett, Reverend Green, Mr. Boddy

Best Costume Prize: Clue board game, rope, candlestick

This party would be fun to have a Clue game contest. Have several clue games set up, and the winners of each game go head to head in a final match. For more ideas, check out the Diva Girl Parties post, Clue Board Game Party. Be sure to pick up some of these Clue party decorations.

GREEK PARTY

Characters: Greek goddess, Cesar, Nero, Greek mythology character, toga, Roman soldier

Best Costume Prize: Baklava, copy of The Odyssey, Greek olives or olive oil

Hosting a fabulous Greek Dinner Party will be easy; using these inspirational menu ideas, easy printable decorations, and even a printable fun Greek game, your guest will have a blast playing. Serve a Greek Wedge Salad or this delicious Greek Lemon Chicken Rice Soup

DISCO DANCE PARTY

Characters: The Bee Gees, Donna Summers, John Travolta, the Village People,  KC and the Sunshine Band

Best Costume Prize: Disco ball, greatest hits disco CD

Set up a dance floor and spin some great music from the disco era, and your guest will be dancing the night away. For more ideas visit, How to Throw a '70s Disco-Themed Party (Decor, Costumes, and Food)

BLACK & WHITE BALL THEME

Characters: Guest dressed up in either all white or all black

Best Costume Prize: Trophies for best dressed

This party theme is an excellent opportunity for your guest to get all dressed up for a New Year's Eve party. For inexpensive fancy dresses, head to your local thrift store. For more ideas, visit Entertaining Deva's post, Black and White Party Ideas. Design a menu that has onlyd white foods served on black dishes like this White Gouda Mac n Cheese and these  Copycat Starbucks Madeleines

CASINO NIGHT

Characters: Big spender, show girl, casino dealer, magician

Best Costume Prize: Deck of cards, roulette wheel, monopoly money

Start to party off as soon as the guest pulls up in your driveway. Have casino signs in your yard pointing to your front door. Set up casino game tables throughout your party and encourage guests to try their hands at each table. For more ideas visit, All In: How to Throw the Ultimate Casino Theme Party Serve up some steaks with Whiskey Marinade and a Green Jacket Salad. For a chocktail, serve with the green jacket salad an Augusta Azalia Chocktail.

SAFARI-INSPIRED PARTY

Characters: Guest will dress like they are on safari

Best Costume Prize: Toy lion or jeep

A fun theme to decorate and dress up for would be an African safari. Guest could dress like they are heading out for the safari. Use African animals, leopard prints, or other African Safari decor. Hit the trail and serve some snacks on the go like, Unique Chex Mix Recipe or Pimento Cheese Crackers.

WIG PARTY

Characters: Friends who love crazy hair

Best Costume Prize: Gold scissors, hair dye

Everyone wears a wig to the party. It could be a crazy look or seriously gorgeous. Decorate like you are stepping into a barbershop or beauty salon.

ITALIAN STYLE PARTY

Characters: Guest will dress in traditional italian costumes.

Best Costume Prize: Bottle of Italian wine, Italian restaurant gift cards

Get the party started with traditional Italian decorations. Learn how to throw an easy Italian dinner party using authentic Italian recipes. For dinner serve Ragu Bolognese , Spaghetti Sauce With Fresh Tomatoes, Fresh Tomato Salad With Italian Herbs and Italian Style Stuffed Paleo Peppers. Be sure and make my favorite, Italian Herb Cheesy Pull-Apart Bread too.

GILLIGAN'S ISLAND

Characters: Gilligan, Professor, Giner, Mary Ann, Captain, the Howells

Best Costume Prize: Coconut, toy palm tree, life saver ring

This is a fun throwback party that would be fun to do in your backyard. Try some of these Gilligan Island Costumes. For dinner serve up some Island Clam Chowder and Lemon Butter Tolopia.

FAVOURITE MOVIE STARS

Characters: Guest can dress like their favorite movie stars

Best Costume Prize: Oscar trophy

Hang white glitter stars all over for a fun party decoration. Here are a few more Oscar party decoration ideas.

GREAT GATSBY

Characters: Nick Carraway, Jay Gatsby, Daisy Buchanan, Tom Buchanan, Jordan Baker, George & Myrtle Wilson, Owl Eyes, Klipspringer

Best Costume Prize: Champagne bottle

A great choice for a dress-up themed party is to do it around a book like the Great Gatsby. Decorations should reflect an art deco feel with lots of gold and black. Ladies can dress up in a 1920s Gatsby Cocktail Sequin Art Deco Flapper Dress

MARDI GRAS

Characters: Guest should dress in traditional Mardi Gra attire.

Best Costume Prize: Fun masks, colorful beaded necklace, booze

This is the party you can go all out with shiny decorations—great your guest with a big glittery sign that says Welcome to Mardi Gras. Or try some of these fun Mardi Gras decorations.

OLD TV SHOWS CHARACTERS

Characters: Andy, Opie, Aunt B or Golmer, Lucy, The Bunkers, Ed Sullivan, Cher, Andy Williams, Denis the Menace, Bever, Hazel, and on and on.

Best Costume Prize: TV Phone Holder 

This is a unique party theme. Have your guests dress up as their favorite old-time tv characters. Set the years the shows could be from. For dinner serave a baked potato bar. Try these easy Air Fryer Baked Potatoes and then use these easy baked potato topping ideas for a baked potato bar. Need a throw back dessert to serve? Try these Grasshopper Mint Parfaits.

HIPPIE PARTY

Characters: 1960's hippies

Best Costume Prize: Peace sign neckless

Bright tie-dye decorations, peace signs, smiley faces, and a Volkswagen bus are all great ways to decorate for a Hippie party.

This party is all about haning out and singing 60's music. Set up a dessert bar for this party and serve items such as Pumpkin Cheesecake, Mollases Cookies, and of course Brownies.

MOVIE GREASE

Characters: Danny, Sandra Dee, Pink Ladies, or the ‘T’ Birds.

Best Costume Prize: Toy Thunderbird, hair grease

A Grease party is all about the 50's decorations. Serve drive-in food and play the movie on a big screen in the backyard.

How about setting up a soda founten serving these great Frosty Copycats and Cranberry Brownies with a scoop of ice cream on top.

EGYPTIAN PARTY THEME

Characters: Cleopatra, Mummy, Pharaoh, Gods and other Egyptian Costumes

Best Costume Prize: A toy pyramid

Egyption party decorations could be Egypt maps, large palm leaves or backdrops. Serve a feat with the centpiece being a crown roast with Maple BBQ Dry Rub. Head to the store with this list of 36 Exotic Fruits To Try. Puchase serveral and lay the feast before the king.

PJs PARTY

Characters: Guest come in their favorite comfy pjs

Best Costume Prize: Pillows, eye masks or fuzzy socks

Ok, I must confess I am most relaxed when I'm in my pj's. This would be a great movie night party. Have everyone wear their favorite comfy pj's, serve popcorn and candy for snacks. For fun, have everyone bring their own favorite pillow and blanket. Here are some fun Pajama party decorations. Enjoy some snacks such as Maple Popcorn, Sweet and Spicy Cashews or Salted Maple Whiskey Carmales. And, since it's just the girls be sure to serve a Pink Coctail!

ROCKY HORROR PICTURE SHOW PARTY

Characters: Frank n Furter, Magenta, Columbia, Riff Raff, Brad, Janet, Dr. Scott, or Rocky.

Best Costume Prize: Rocky Horror prizes

Ok, this is probably for an older crowd who remembers this cult-like movie. It was so fun smuggling in all the paraphernalia to throw at the screen. Be sure to decorate with rice, confetti, newspapers, water pistols, candles or flashlights, toast, and party hats. For snacks, don't forget the hot dogs and prunes!

THE OFFICE

Characters: Toby Flenderson, Pam Halpert, Ryan Howard, Oscar Martinez, Andy Bernard, Angela Martin, Jim Halpert, Dwight Schrute, Jan Levinson, Michael Scott

Best Costume Prize: The Office Dwight Schrute Roar pillow

Have everyone choose their favorite character and dress up like them. If you need some party ideas visit Laura at EventOTB post, How to Host Your Michael Scott, Pro-Am, The Office Party 

ONESIES PARTY

Characters: Any character your guest can find in onsie pjs

Best Costume Prize: Pillows, sleeping aid, blanket

Dressing up for this party is not for faint at heart; it takes courage to walk out of your house in adult onesie pajamas. It's easy to find some crazy ones at your local Walmart or other family clothing-type stores. You can also order onesie adult PJs online.

If you need ideas for what to serve at an Adult PJ party try one sof these Food Bar Ideas. It's easier on the hostes to have everything set up before guests arrive.

SCI-FI PARTY

Characters: Aliens, Star Wars characters, Back to the Future, Star Trek, Avatar, or Men in Black

Best Costume Prize: Alien toys, space ship toys

Outer Space decor theme is a great option to set the stage for this party. Here are a few more Sci-Fi decorating ideas.

If you have a crowd for this party then be sure and check out my 60 Great Meatball Recipes to serve as party snack ideas.

WIZARD OF OZ

Characters: Dorothy, Tin Man, Lion, Scarecrow, Wicked Witch, Glynda, Toto, Wizard

Best Costume Prize: Red sparkly slippers

Buy a roll of yellow paper and have your guest enter on the yellow brick road—more Wizard of Oz party supplies.

Need party snack ideas? Be sure and visit my Appitizers and Snacks.

🎥 Need more ideas?

Be sure and check out all my WEB STORIES for more delicious recipes and party ideas to get you inspired! Also, be sure to check out the story for this fun Best Appitizers To Bring To A Party.