The most common Halloween costumes of 2023 varied across different sources, but some popular options included Spiderman, Barbie, Princess, Witch, and Superhero. According to a Google Trends report, the top costumes were Barbie, Princess, Spider-Man, Witch, and Fairy
. Another source mentioned that Spiderman was the most popular costume for children, while Barbie, Witch, and Vampire were among the top choices for adults
. Additionally, Spirit Halloween reported that Barbie and Ken costumes were the most popular for adults, while Bluey was a top choice for kids
. Therefore, the most common Halloween costumes of 2023 included a mix of classic characters and popular figures from movies, TV shows, and pop culture.