Lazarus "Larry The Rock" Zeidel (June 1, 1928 – June 17, 2014) was a Canadian professional ice hockey defenceman, most notably for the Hershey Bears of the American Hockey League, for whom he played nine seasons, and in the National Hockey League for the Chicago Black Hawks and the Philadelphia Flyers during a career that lasted from 1947 to 1969. He is considered one of the most violent players in NHL history.