According to multiple sources, including Billboard, Visual Capitalist, USA Today, and NPR, the most popular Halloween costume of 2023 is Barbie. The popularity of the Barbie movie released in 2023 is cited as a reason for the costumes dominance. Other popular costumes include Princess, Spider-Man, Witch, Fairy, Wednesday Addams, Dinosaur, Cowboy, Ninja, Bunny, Rabbit, Pirate, Princess Peach, Clown, Pumpkin, Batman, Mermaid, Cheerleader, Ghost, Bear, Vampire, Taylor Swift, Harley Quinn, Doll, 1980s, Cowgirl, and Toy Story.