When it comes to finding the perfect costume, where do you start looking? Today, we're looking at letter "B" Halloween costume ideas! From iconic superheroes to whimsical animals and beloved movie characters, the letter "B" offers a fun variety of creative costume options. Whether you're going for something classic like Batman or want to embrace your inner Barbie girl, there's something for everyone on this list. Dive into our top picks for the best costumes that begin with "B," and prepare to stand out at your next party or event!
1. Barbie Costume
We hope you like pink! The popular Barbie doll is often dressed in pink outfits and occupational costumes, giving you tons of flexibility. Get a Barbie movie costume or DIY your own for the perfect letter "B costume!
2. Batman Costume
Na na na na na na na na na na na na na na na na Batman! We hope you love superheroes because the letter "B" contains one of the best! Billionaire Bruce Wayne fights crime as Batman, using an array of bat-themed gadgets. He also has bat allies that start with "B", including Batgirl, Batwoman, Bat-Mite, and others. (Sorry, Robin!)
3. Beetlejuice Costume
Do you like Tim Burton movies? Bio-exorcist Beetlejuice is an excellent costume for Halloween! His black-and-white striped suit is an iconic Halloween outfit, and don't forget his shock of white hair. It's showtime!
4. Bluey Costume
Few kids' shows have had as big an impact as Bluey. It's just so relatable for parents and their kids! This toddler Bluey costume is incredibly adorable, and your little one will likely love it, too.
5. Bingo Costume
Also from Bluey, Bingo is Bluey's energetic little sister. Keeping up with her older sister can be challenging, but she has lots of heart and creativity to help her along. Is Bingo your child's favorite Bluey character?
6. Bowser Costume
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Which video game character that starts with "B" comes to mind first? Bowser is an iconic choice from the Super Mario Bros. franchise. Whether he's your Main in Mario Kart or you love saving Princess Daisy from his grasp, this Bowser costume is the perfect choice.
7. Buzz Lightyear Costume
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To infinity and beyond! Buzz Lightyear is a popular Pixar and Disney character loved by both kids and adults. It makes a great costume for the letter "B" for people of all ages, and there are plenty of characters to add for potential pair and group costumes.
8. Banana Costume
Do you love silly costumes? They're tons of fun, and there's no pressure to act or embody a character in some fashion. And sometimes, that's all you need! Banana costumes are classic and sure to make people smile at any costume party.
9. Black Widow Costume
Superhero costumes allow you to feel like a hero for a night. Black Widow is a great superhero costume for women and girls, and her hero name starts with the letter "B"! Part super spy, part savior of the world, her story is one for the ages. You'll look sharp in her classic black jumpsuit!
10. Belle Costume
True as it can be, you'll feel like a beauty in a Belle costume. This classic Disney Princess is the perfect pick for a women's costume that starts with "B". Hopefully, you know a few ballroom dances!
11. Bunny Costume
In need of a cozy costume for a chilly fall celebration? A fuzzy bunny costume will do the trick! Animal costumes are often warm and comfortable, but you can find other varieties to suit your needs. Are you team comfy bunny or team sexy bunny?
12. Bear Costume
If you think about it, quite a few familiar animals have names that start with "B". Bunnies, bears, beavers, bulls, and more—and we could keep going! We might not share every single letter "B" animal here, but we couldn't pass up a furry bear costume. Can you?
13. Black Panther Costume
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How many superheroes can you think of that start with "B"? We already talked about Black Widow, but we don't have to go very far to find our next superhero—Black Panther. Another member of the Avengers, Black Panther, has increased strength and senses and an armored suit made with vibranium. Go toe-to-toe with the big bads as T'Challa this Halloween!
14. Bo Peep Costume
Whether you love the classic nursery rhyme or the Toy Story character, Bo Peep is another excellent character who starts with "B". We love that you have options, too, from her traditional cap and poofy dress to all the outfits she wears in the movies. Which version of Bo Peep is your favorite?
15. Boo Costume
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There must be something in the water at Pixar because we have another Pixar character whose name begins with "B"! Boo is the name given to the human girl who accidentally makes her way into the monster world after a scare gone wrong. Sulley realizes that she's not a threat and does his best to return boo to her bedroom safe and sound.
16. Butterfly Costume
Why be any bug when you can be a beautiful butterfly? These cute animal costumes are so much fun to wear with the addition of butterfly wings and antennae. Find a full costume like this or an accessory kit that matches your favorite dress or outfit, and you'll be the buzz of the party.
17. Bane Costume
What is Batman without his villains? This Bane costume is inspired by his outfit in The Dark Knight Rises. Bane was molded by anger, darkness, and pain, which he used to fuel his ambitions. What are your plans for taking over Gotham?
18. Beast Boy Costume
When there's trouble, you know who to call—Teen Titans! Beast Boy is one of the members of the Teen Titans, a group of superhero teams under the leadership of Robin. They inhabit the Titans Tower, their base of operations while monitoring the city against the likes of Blackfire, Jinx, Gizmo, and other supervillains.
19. Bigfoot Costume
Creepy cryptids and urban legends make great subjects for Halloween costumes. If you love Bigfoot lore, perhaps it's time to become Bigfoot this year. Don't forget to take pics mimicking the famous photograph!
20. Blue Beetle Costume
Not every superhero is born with innate powers—some are chosen! Regular guy Jaime Reyes gains superpowers when an ancient alien relic, the Scarab, accidentally chooses him. Not only does the armored suit protect him, but he also gains the ability to fly, absorb energy, heal quickly, perform feats of superhuman strength, and more. We hope you use your costumed powers responsibly!
21. Bat Costume
What animals instantly make you think of Halloween? One of our favorites is bats! They're all over our Halloween décor; you can find plenty of bat costumes. From sexy to cute and cozy, you have the power to pick what makes you feel your best this Halloween.
22. Bee Costume
Bee yourself in a fuzzy bumblebee costume! There's no pressure to remember movie quotes or act out your favorite scenes, so you have plenty of opportunities to hit up the snack table. If you're a big supporter of Save the Bees, you also have the perfect opportunity to tell everyone about it!
23. Big Bird Costume
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Is bigger always better? Big Bird is a beloved character on Sesame Street, and we love this inflatable version. It's pretty close to a mascot costume. Also, fair warning, but expect to be mobbed by kids if you wear this inflatable costume out this Halloween.
24. Boba Fett Costume
Few Star Wars characters are as cool as Boba Fett, but you're lucky that he fits in with the letter "B" crowd. This bounty hunter may have felt underwhelming in the original trilogy, but he got his chance to shine again in the Star Wars TV series. Is Boba Fett your favorite Star Wars character?
25. Britney Spears Costume
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It's time to get dressed up one more time for Halloween! Were you part of the Britney Army? Were you always waiting for the next hot single? Embody your music idol with a Britney Spears costume for Halloween.
26. Buddy the Elf Costume
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Is your enthusiasm for the holidays infectious? Embrace it with a Buddy the Elf costume! This Will Ferrell character costume is enthusiastic to the point of exhaustion, but you wouldn't have it any other way.
27. Bugs Bunny Costume
Toddler Space Jam Bugs Bunny Costume
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What's up, doc? Bugs Bunny is a classic cartoon character that starts with "B". Be prepared for plenty of costumed hijinks as this wascally wabbit.
28. Bumblebee Costume
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Be one of the most incredible robots in disguise with a Bumblebee costume! Bring back the memories of Saturday morning cartoons and rainy-day movie marathons with this cool Transformers costume for adults.
29. Ballerina Costume
Have you heard the saying "dress for the job you want"? Was it your childhood dream to be a ballerina? You can make your inner child happy with this adult ballerina costume!
30. Barney Costume
Kids these days don't know what they missed. From the cleanup song to teaching kids about sharing and believing in yourself, Barney did his best to help 90s kids grow up right. Whether or not he succeeded is entirely another matter.
31. Barney Rubble Costume
Why merely mention one famous Barney costume when you can have two? Grab a friend for a perfectly unhinged duo costume as a pair of Barneys. Who needs Betty, anyway? (Even if she still qualifies as a letter "B" costume!)
32. Betty Rubble Costume
Okay, so we didn't really mean that bit about Betty Rubble. You can absolutely pair up with your friend or significant other dressed as Barney Rubble. Is it too late to include Bamm-Bamm?
33. Big Bad Wolf Costume
It's not easy to be the big bad wolf when he's in so many of Grimm's Fairy Tales, but this costume makes it a little bit easier. You can easily pair up with Little Red Riding Hood, the Three Little Pigs, or the Boy Who Cried Wolf to accommodate several pair or group costumes.
34. Boxer Costume
There are plenty of letter "B" costumes for sports fans, from dressing up in your favorite team jerseys to players and more. May we also suggest a sport that starts with "B"? Boxing costumes are great if you're expecting hot Halloween weather, and you'll look and feel amazing in shorts and a lightweight robe.
35. Bonnie Costume
History is filled with so many famous and infamous people. Bonnie and Clyde fell on the bad side of the law, committing a string of robberies as a couple that is still remembered today. Share your love of all things history with a Bonnie the bandit costume!
36. Beer Costume
If you're attending a letter party and expect alcoholic beverages, dressing as beer for the letter "B" could be a smooth move. Beer is the iconic party beverage for many people, whether you're dressing as a proper mug of beer or a red solo cup.
37. Beyoncé Costume
It's a real-life boogie and a real-life hoedown when you wear this silver cowgirl outfit inspired by Beyoncé. The Queen Bey has quite a few cowgirl-inspired outfits, and she loves the color silver, as confirmed by her Renaissance tour request. This silver cowgirl outfit can easily be turned into a Beyonce costume with the right wig.
38. Baywatch Costume
Did watching Baywatch make you want to move to the beach and become a lifeguard? While the lifeguard life likely isn't as glamorous as it's portrayed on TV, you can enjoy wearing a Baywatch costume for a night. It's also another great costume idea for warm-weather Halloweens!
39. Bendy Costume
Bendy is the star of a fictional cartoon studio in the video game Bendy and the Ink Machine. However, due to the ink machine going berserk, you encounter twisted versions of Bendy and the other cartoon characters, which you must defeat. Do you have what it takes to save the studio?
40. Buttercup Costume
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Few fantasy stories capture the magic of The Princess Bride. This classic 80s movie is filled to the brim with wit, charm, and unforgettable characters! Fortunately, Buttercup is a great character costume that fulfills your requirement for the letter "B".
41. Benjamin Franklin Costume
Child Benjamin Franklin Costume
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There are so many people from history that we can hardly mention them all, but founding father Benjamin Franklin is one of the most recognizable for people living in America. He's depicted on the $100 bill and famously put a key on a kite string to test the charge of lighting. Bring any of these elements as props, and you will have a great costume!
42. Bacon Costume
is bacon part of a balanced breakfast? You can debate your breakfast preferences later, but it's a great costume idea that starts with the letter "B". Go solo, or get a group of friends to be part of your breakfast squad!
43. Bruno Costume
You might not talk about Bruno, but we certainly do! Encanto made a musical splash with catchy songs and fun characters. One of the Madrigal family members is Bruno, who became estranged from the family after a foreboding prophecy. It turns out that he's not such a bad guy after all!
44. Bulbasaur Costume
Pokémon fans know that there are tons of letter "B" costumes here, considering the sheer amount of pocket monsters in the Pokédex. You might need to lean on your DIY skills, considering there's hardly a costume available for every creature, but starter Pokemon Bulbasaur is a great option!
45. Bulma Costume
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Dragon Ball Z is filled with incredibly powerful characters, but where would they be without Bulma's brains? She invented some of the most essential devices in the series, from the dragon radars to translators and even a time machine! Be one of the most fantastic characters in DBZ!
46. Burger Costume
Sometimes, all you need is a basic burger costume. Be your beloved burger with this adult burger costume! Who else is feeling hungry now?
47. Powerpuff Girls Costumes
| Blossom Costume | Bubbles Costume | Bubbles Costume |
Fighting crime, trying to save the world. Here they come just in time—the Powerpuff Girls! Whether you'd like to dress as one of the Powerpuff Girls or all three, Professor Plutonium must have loved letter "B" names. Blossom, Bubbles, and Buttercup are ready to save the day!
48. Beatles Costumes
| Purple Sgt. Pepper Jacket | Yellow Sgt. Pepper Jacket | Sgt. Pepper-Inspired Jacket |
Speaking of another excellent group costume opportunity for the letter "B", we love these Beatles costumes! John, Paul, George, and Ringo might not start with "B", but their band name does. What's your favorite Beatles album?
49. Bert Costume
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It's not expected to see him without Ernie, but Bert is a great costume idea for a letter "B" party. Many of us grew up watching Sesame Street, so even the sweater and pants without the mascot head are easily recognizable. Throw in your best "Doin' the Pigeon" dance moves, and you'll be the talk of the party!
50. Butter Costume
Do you love showing up in the weirdest, most unhinged Halloween costume you can find? You might appreciate this butter costume! Look just like a stick of butter, complete with a silly butter pat hat. Butter really does make everything better.
51. Brontosaurus Costume
When given the opportunity to wear a dinosaur costume, are you the kind of person who jumps at it every time? This Brontosaurus costume may not be a typical T-Rex or Triceratops, but it will get you noticed. Welcome to Jurassic Park!
52. Baseball Costume
Take me out to the ballgame; take me out to the crowd! Baseball is America's pastime, and you can capture this classic sport with a baseball costume. A baseball cap should be part of your costume, whether you are a ball or a player!
53. Barbershop Quartet Costume
Plus Size Barbershop Quartet Costume
This letter "B" costume would strike a chord with a group of 4, but it's still recognizable on its own. Barbershop quartet singers traditionally wear striped tops and straw hats. Why? We're unsure, but it's an iconic look either way.
54. Bandaid Costume
We love a silly, unexpected costume. A box of bandages is likely not high on anyone else's list for letter "B" costumes, but you're probably not going to match anyone else. Kudos to being original!
55. Barn Costume
We could hardly begin to mention every single costume idea starting with "B", but a barn costume is another unique choice. We love that you can open the barn door flaps on this Halloween costume to reveal the animals inside!
With so many fantastic costume ideas that start with the letter "B", the possibilities are endless! Whether you want to channel your favorite character, bring out your inner superhero, or simply have fun with a quirky, offbeat choice, there's a "B" costume to fit your style. Which costumes that begin with "B" are we missing? Did we help you find your next Halloween costume? Share your thoughts with us in the comments! Best of all, we hope you can "B" yourself this Halloween.
See our other ideas for costumes by letter.
