Costumes Beginning With B
Costumes Beginning With B: 75+ Brilliant Costume Ideas for Alphabet Parties and Halloween
Looking for costumes beginning with B? Whether you’re heading to an alphabet party, celebrating Halloween, attending a themed dress-up event, or simply searching for a creative costume idea, you’ve come to the right place.
There are so many fantastic costumes that begin with the letter B, from famous superheroes and beloved movie characters to animals, foods, professions, and clever DIY creations. Whether you’re after something funny, spooky, cute, or completely unique, this list is packed with inspiration for kids, teens, and adults alike.
Keep reading to discover more than 75 creative costumes beginning with B that are sure to make your next costume party even more memorable.

Batman
One of the most iconic superheroes of all time, Batman is always a popular costume. A black cape, mask, utility belt, and boots complete the look.
Batman The Dark Knight: Batman Costume for Adults, Mens Costume
Batgirl
Perfect for superhero fans, Batgirl’s costume features a black suit, yellow accents, cape, and signature bat mask.
Girls Dc Super Hero Girl’s Deluxe Batgirl Costume Jumpsuit
Bumblebee
Dress in yellow and black stripes, add wings and antennae, and you’ll have a cheerful costume that’s easy to recognize.
Bee Costume – Bee Onesie
Adult Inflatable Bee Costume
Inflatable Bee Costume
Bear
A cozy bear costume is adorable for both kids and adults. Add fuzzy ears, paw gloves, and a cute nose with face paint.

Bunny
One of the easiest costumes to put together. Wear white or gray clothing with bunny ears, a fluffy tail, and whiskers.
Banana
Food costumes are always a hit, and a banana costume is simple, funny, and instantly recognizable.
Banana Onesie Costume
Adult Inflatable Banana Costume
Inflatable Banana Costume
Broccoli
A bright green broccoli costume is a hilarious choice that stands out in a crowd.
Full Body Broccoli Blow Up Costume
Blueberry
Dress head to toe in blue with a round padded outfit for a sweet fruit-inspired costume.
Butterfly
Beautiful wings, colorful makeup, and a flowing outfit make this costume elegant and fun.

Baker
Wear an apron, chef’s hat, and carry a rolling pin or basket of bread for this classic costume.
Bride
A wedding dress, veil, bouquet, and elegant accessories create a timeless costume.
Bride of Frankenstein
This spooky classic combines a white gown with dramatic hair and gothic makeup.
Women’s Bride of Frankenstein Costume
Bride of Frankenstein Costume
Boxer
Athletic shorts, boxing gloves, robe, and a championship belt make this an easy sports-inspired costume.
Ballet Dancer
A tutu, ballet slippers, and a neat bun hairstyle create a graceful ballerina look.
Bandit
A striped shirt, eye mask, beanie, and money bag make this classic costume easy to assemble.
Burglar
Similar to a bandit, this fun costume includes black clothing, gloves, and a sack labeled “loot.”
Bee Keeper
Pair a white jumpsuit with a protective hat and carry a toy beehive for a creative twist.
Halloween Beekeeper Costume
Bee keeper Costumes
Baby
An oversized baby onesie, bib, pacifier, and stuffed toy make for a funny adult costume.
Barber
Dress in a barber’s apron and carry toy scissors and a comb.
Barista
Wear a café apron, name tag, and carry takeaway coffee cups for an easy modern costume.
Bartender
Black pants, white shirt, vest, bow tie, and a cocktail shaker complete this fun look.
Ballerina
A classic pink tutu and ballet shoes create a timeless costume that’s suitable for all ages.
Ballerina Girl Swan Lake Costume
Funny Inflatable Ballet Costumes for Adult
Ballet Tutu Dress for Girls
Baseball Player
A baseball jersey, cap, glove, and bat make this costume sporty and simple.
Basketball Player
Wear your favorite team’s jersey with shorts and sneakers for an instantly recognizable outfit.
Bowler
Combine vintage clothing with a bowler hat and carry a bowling ball or pin.
Bus Driver
A uniform shirt, cap, and toy steering wheel create a clever costume.
Builder
A high-visibility vest, hard hat, work boots, and toy tools make this costume easy to put together.

Black Cat
Black clothing, cat ears, whiskers, and a tail create a simple yet popular Halloween costume.
Black Widow
Marvel fans can recreate this superhero with a black tactical suit and toy accessories.
Beetle
Wear black with shiny wings and antennae for this insect-inspired costume.
Bull
Brown clothing, horns, and a tail make a powerful animal costume.
Buffalo
A buffalo costume features brown faux fur, horns, and a rugged western feel.
Baboon
Add brown fur, face paint, and a playful attitude for this fun animal costume.
Beaver
Wear brown clothing with buck teeth, a flat tail, and furry ears.
Badger
Gray and black face paint with furry clothing create this woodland animal.
Blue Jay
Blue feathers, wings, and a beak make this colorful bird costume.
Bluebird
A bright blue outfit with feathered wings creates a cheerful spring-inspired look.
Butterfly Fairy
Combine butterfly wings with a fairy wand and floral accessories.

Banshee
Inspired by Irish folklore, a banshee costume features a flowing white dress and ghostly makeup.
Bigfoot
A shaggy brown suit and oversized feet create this legendary creature.
Beast
Whether inspired by fairy tales or mythology, this costume features fur, horns, and dramatic makeup.
Beast from Beauty and the Beast
Blue royal clothing with furry details recreates this beloved Disney character.
Belle
Disney’s Belle wears her famous yellow ball gown, making this a favorite princess costume.
Buzz Lightyear
To infinity and beyond! Buzz Lightyear is always a fun costume for kids and adults.
Bo Peep
This Toy Story favorite combines a shepherd’s outfit with a bonnet and crook.
Bert
Dress as Bert from Sesame Street with a striped sweater and unibrow.
Bertie Botts Jelly Bean
Harry Potter fans can create a funny candy-inspired costume.
Bilbo Baggins
A cozy vest, curly wig, hairy feet, and a ring make Bilbo instantly recognizable.
Boromir
Lord of the Rings fans can recreate this brave warrior with armor and a sword.
Black Panther
Marvel’s Black Panther is an action-packed costume with a sleek black suit.
Beetlejuice
The famous black-and-white striped suit, wild hair, and pale makeup create this unforgettable character.
Barbie
One of the most popular costumes in recent years, Barbie can be styled in countless different ways.
Barbie Doll Box Costume
80s Outfit for Women, Barbie Costume
Barbie Costume
Barbie Cowgirl
Pink western wear, boots, and a cowboy hat create this fun variation.
Barbie Mermaid
Combine pink accessories with a shimmering mermaid tail.
Barbie Astronaut
Wear a silver or pink space suit inspired by Barbie’s many careers.
Bob Ross
Blue jeans, denim shirt, curly wig, and a paint palette recreate everyone’s favorite artist.
Bob the Builder
Yellow hard hat, plaid shirt, tool belt, and work boots complete this childhood favorite.
Bluey
Fans of the hit children’s show will love dressing as Bluey.
Bingo
Bluey’s little sister Bingo makes another adorable family costume.
Banana Split
Add ice cream toppings to a banana costume for a creative food-themed outfit.
Brownie
Dress as the sweet treat using brown clothing and colorful sprinkles.
Bubble Tea
A cardboard cup decorated with tapioca pearls creates a trendy costume.
Bubble Bath
Attach white balloons or pillow stuffing to blue clothing and wear a shower cap.
Bubble Gum
Dress in pink with oversized bubble accessories.
Bookworm
Carry books, wear glasses, and add a cute felt worm to your shoulder.
Book Fairy
Combine fairy wings with your favorite books for a magical literary costume.
Book Character
Dress as your favorite novel or storybook character beginning with B.
Backpacker
Cargo shorts, hiking boots, backpack, camera, and map create this travel-inspired costume.
Beach Tourist
Floral shirt, sandals, sunglasses, camera, and sunscreen make a humorous holiday look.
Beach Ball
A colorful inflatable-style costume is perfect for summer parties.
Beach Lifeguard
Red shorts, whistle, rescue float, and sunglasses complete this iconic costume.
Bird Watcher
Binoculars, hiking clothes, bird guide, and notebook create an easy DIY costume.
Billionaire
A fancy suit, sunglasses, fake money, and luxury accessories make this a fun dress-up idea.
Business Executive
Dress in professional business attire and carry a briefcase and laptop.
Bellhop
A red hotel uniform with gold buttons and luggage cart creates a polished costume.
Bell
Dress as a golden bell using metallic fabric or cardboard.
Blue Crayon
A giant crayon costume is colorful, simple, and ideal for alphabet parties.
Brown Crayon
Another fun DIY costume using cardboard and matching clothing.
Bottle of Bubbles
Attach bubble-shaped balloons to blue clothing for a playful costume.
Bucket
A cardboard bucket costume may sound silly, but it’s guaranteed to get laughs.
Bacon
Who doesn’t love bacon? A crispy bacon costume is funny, comfortable, and popular.
Burrito
Wrap yourself in a tortilla-inspired blanket with felt fillings attached.
Bread Slice
Simple cardboard painted like toast makes a deliciously funny costume.
Brown Bear
A slightly different take on the classic bear costume with woodland styling.
Bull Rider
Cowboy boots, jeans, western shirt, and a toy rodeo bull accessory create a fun western costume.
Balloon Animal
Twist colorful balloons around your outfit or use balloon-print fabric for this whimsical look.
Bonus Group Costume Ideas Starting With B
If you’re dressing up with friends or family, try one of these themed groups:
- Batman, Batgirl, Robin, and Joker
- Bluey, Bingo, Bandit, and Chilli
- Barbie and Ken
- Beauty and the Beast characters
- Bees and Beekeeper
- Bakery Team (Baker, Bread, Brownie, Butter)
- Birds of different kinds
- Breakfast Foods (Bacon, Banana, Bread)
Tips for Choosing a B Costume
To make your costume stand out:
- Pick something people will recognize immediately.
- Add simple accessories to complete the look.
- Choose comfortable clothing if you’ll be wearing it all day.
- Don’t be afraid to make a DIY version using craft supplies.
- Coordinate with friends for a memorable group costume.
From Batman and Barbie to Bumblebees, Bananas, and Bigfoot, there are countless costumes starting with B for every style and budget. Whether you prefer funny costumes, movie characters, animals, food, or clever DIY creations, you’ll find plenty of inspiration on this list.
Alphabet costume parties are all about creativity, so have fun putting your own spin on your favorite B costume and enjoy showing off your imaginative outfit.




















