Otto Pietari Kanerva (born 20 July 1972 in Valkeakoski) is a Finnish actor, director and artistic director of the Rauma Theater. Kanerva received his acting education at the Department of Acting at the University of Tampere, where he graduated in 1995. Kanerva has often appeared in works dealing with wartime events. In the theatre, he has been involved in plays "Täällä Pohjantähden Alla", "Tie Tampereelle" and "Mannerheim", among others. He has appeared in supporting roles in several TV series and movies. He has played TV roles in the series Kovaa Maa, Hovimäki and Kotikatu.