A mummy is the mummified body of a dead person. There were a lot of mummies in the Scooby-Doo universe:
- Mummy of Ankha: The disguise of Dr. Najib, to get a coin to open a secret compartment. (SDWAY: Scooby-Doo and a Mummy, Too)
- Mummy: One of the numerous disguises of Zalia Z. Fairchild used to haunt a movie studio he was secretly living in and sabotage the production of a movie to prevent the studio from being torn down. (TNSDMovies: Sandy Duncan's Jekyll and Hyde)
- Mummy: A real monster from a lost pyramid in Egypt. (TRR/SDS: Mummy's The Word)
- Orient Express Mummy: The disguise of Sidney Gaspar, as part of an initiation test by a mystery club. (TNS&SDS: Where's Scooby-Doo?)
- Maid Mummy: The disguise of Orson Kane, to steal jewelry from Norma Deathman. (TNSDMysteries: Scooby's Peep-Hole Pandemonium)
- Party Mummy: A real mummy that attends the party at Dracula's castle. (TNSDMysteries: A Halloween Hassle at Dracula's Castle)
- Mummy: The disguise of Splash Downing, former stuntman, who didn't like being replaced on a movie after an accident. (Scooby-Doo (DC Comics): It's A Wrap)
- Mummy: The disguise of Mira Senwosret, to protect the secrets of her ancestors. (Scooby-Doo (DC Comics): Mummy Under Wraps)
- Mummy: A real monster. (Scooby-Doo and the Reluctant Werewolf)
- Mummy of Pharaoh Scamses: The disguise of a hypnotized Melbourne O'Reilly. (WNSD: Mummy Scares Best)