Steve Di Giorgio (born November 7, 1967) is an American musician. He is best known for working with numerous acts such as Sadus (of whom he was one of the co-founders), Death, Testament, Sebastian Bach, Iced Earth, Autopsy, Obituary, Control Denied, Dragonlord and Charred Walls of the Damned, and he has performed on over 50 albums as a guest, session or full-time band musician.