Matthew George Frewer (born January 4, 1958) is an American Canadian actor, singer, voice artist and comedian. Acting since 1983, he is best known for portraying the 1980s icon Max Headroom and Doctor Leekie in the Canadian science fiction drama Orphan Black (2013–17).

Frewer's most recent performances include a portrayal of "General #2" in the Steven Spielberg picture The BFG (2016) and the character Carnage in the Netflix series Altered Carbon in 2018.