J. C. McKenzie (born October 17) is a Canadian actor.

MacKenzie saw his first play as a 21-year-old student at Concordia University. After that, he was accepted at the London Academy of Music and Dramatic Art. He made his screen debut in the TV-movie Perry Mason Returns, billed as John C. McKenzie (his birth name). Some of his highlights include the character Ludlow in Martin Scorsese's "The Aviator " as well as Arnold Spivak in the Emmy Award TV-Series Murder One, as well his portrait of Reagan 'Normal' Ronald in the Dark Angel series, which won the People's Choice Award.

In the real life, MacKenzie is partner of screenwriter Erin Cressida Wilson. They have a two year old son.

J.C. MacKenzie was a 21-year-old student at Concordia University when he saw his first play. Within two years, he was accepted at the London Academy of Music and Dramatic Art. He enjoys politics, skiing and hockey.