John William DiMaggio (born September 6, 1968, in North Plainfield, New Jersey) is a prolific American voice actor. His voice credits for Hanna-Barbera and Warner Bros. include:
- Aquaman and other characters on Batman: The Brave and the Bold
- Many supporting roles on What's New, Scooby-Doo?
- Grady Gator in an episode of Scooby-Doo! Mystery Incorporated
- Colin Haggart in Scooby-Doo and the Loch Ness Monster
- Amos the groundskeeper in Scooby-Doo! Abracadabra-Doo
- Friz, three bikers and the GPS voice in Scooby-Doo! Legend of the Phantosaur
He is unrelated to the baseball player Joe DiMaggio.
- John DiMaggio at the Internet Movie Database