The Screen Actors Guild Award for Outstanding Performance by a Male Actor in a Supporting Role in a Motion Picture is an award presented annually by the Screen Actors Guild. It has been presented since the 1st Screen Actors Guild Awards in 1995 to a male actor who has delivered an outstanding performance in a supporting role in a film released that year. The award has been presented 30 times, and 29 actors have won the award. Martin Landau was the award's first winner for Ed Wood (1994). The most recent winner is Robert Downey Jr. who won for his performance in Oppenheimer (2023). Mahershala Ali is the only actor to have won the award twice. The record for the most nominations is shared by Chris Cooper, Willem Dafoe, and Jared Leto with three nominations each.

Winners and nominees

1990s

2000s

2010s

2020s

Superlatives

Multiple winners

Multiple nominees

Note: Winners are indicated in bold type.