John Joseph Tempesta (born September 26, 1964 in New York City) is a heavy metal drummer who has worked with several bands including: Exodus, Testament and White Zombie. He also played with former White Zombie singer Rob Zombie as a solo artist and served as drum technician for Charlie Benante, drummer for the heavy metal band Anthrax earlier in his career. He is referenced in the band's rendition of "Friggin' in the Riggin'" (from their 1989 EP Penikufesin), with lyrics about the band's crew members.
In 2000, he played drums on the song "Meat", off of Tony Iommi's self-titled solo album.
He played with the band Helmet in 2004-2005.
In October 2004, he recorded with the band Scum of the Earth, composed of John and his brother Mike Tempesta who was formerly the guitarist of Powerman 5000, Riggs (former Rob Zombie guitarist), John Dolmayan (System of a Down), Seven, and Clay Campbell released Blah...Blah...Blah...Love Songs for the New Millennium, a pop-heavy release sounding very reminiscent of the White Zombie / Rob Zombie sound, produced by Ben Burkhardt at Belt of Orion Recording in Hollywood.