Sam Grimley (born 3 January 1991) is a former Australian rules football player who played for the Hawthorn Football Club and Essendon Football Club in the Australian Football League. After Hawthorn won the 2008 premiership, the Hawthorn recruitment officer concentrated on the younger players in the 2009 AFL draft. Grimley was a third-round selection (Hawthorn), No. 39 overall. He is the son of Brett Grimley and the grandson of Ken Grimley, who were both accomplished footballers in the Queensland Australian Football League.