Karl Lovell is a New Zealand former professional rugby league footballer who played for the Parramatta Eels, Northern Eagles and the Cronulla-Sutherland Sharks in the NRL between 1997 and 2002. He played for the Budgewoi Bulldogs and the Toukley Hawks as a junior. Throughout this he also played for the Sheffield Eagles and the joint Sheffield and Huddersfield merger side in the Super League between 1999 and 2000. His preferred position was either prop or second-row, however he also at times played at centre or on the wing.