Per Johan Jansen is a Norwegian stage actor and film actor. He was born in Bergen. He made his stage debut at Det Norske Teatret in 1966. He has later had assignments at Oslo Nye Teater, Riksteatret, Hålogaland Teater, Trøndelag Teater, Nationaltheatret and Fjernsynsteatret. He played the title character in the film Ballad of the Masterthief Ole Hoiland from 1970, and the main character in the films A Commuter Kind of Love from 1979 and Hud from 1986.