Springfield Costume Shop is a costume shop in Springfield.
After Homer "kidnapped" Larry Burns, Marge made him to bring Larry back to Mr. Burns. While walking on the street, the police noticed them and Homer with Larry hid in the costume shop. Moments after they entered the shop, two men dressed in a gorilla and organ-grinder costume left it. The owner of the store then caught Homer and Larry sitting in the bathroom and told them to go out.