Alar Peeter Aedma (professionally credited as A.C. Peterson) is a Canadian actor of Estonian descent.

He began his work on television and in television movies, one of his first major roles being that of Ziggy Barkowitz in the series Cover Me, later having major recurring roles in Across the River to Motor City and Olympus, in which he played Minos. His film appearances include Shooter, Sucker Punch and Shanghai Noon.

He was also an acting teacher at the Vancouver Film School.