Pertti Leo Jorma Lehtonen (born 18 October 1956 in Helsinki, Finland) is a retired professional ice hockey player who played in the SM-liiga.
He played for HIFK.
He was inducted into the Finnish Hockey Hall of Fame in 1998.
His nickname was "Ruoska"("The whip") because of his strong slapshot.
This biographical article relating to a Finnish ice hockey player is a stub.