Jon Dette (born April 19, 1970) is a heavy metal drummer.
Dette has previously played for Apocalypse, Evildead, Testament, Killing Machine and Slayer. Dette joined Slayer for a brief stint in 1996, when Paul Bostaph left to work on his side project, The Truth about Seafood in L.A. In 2012, Jon joined Animetal USA replacing Scott Travis of Judas Priest. Animetal USA's album "W" released June 2012 features Mike Vescera on vocals, Rudy Sarzo on bass, Chris Impellitteri on guitar, and Jon Dette on drums.