Stephen "Sajam" Lyon is an American Fighting Games player and commentator.

Sajam is one of the most prolific commentators and content creators in the modern fighting game community, being actively involved in NetherRealm, Street Fighter, Guilty Gear, Killer Instinct and Dragon Ball FighterZ scenes over his career. He is well-known for creating and promoting educational fighting game content, as well as hosting shows such as his famous "Will it Kill?" series.