Len Casey (born 28 January 1950), also known by the nickname of "Cast Iron Casey", is an English former professional rugby league footballer who played in the 1960s, 1970s and 1980s, and coached in the 1980s and 1990s. He played at representative level for Great Britain and England, and at club level for Hull Kingston Rovers (two spells), Bradford Northern, Hull F.C. and Wakefield Trinity (Heritage No. 949), as a prop, second-row or loose forward, and coached at club level for Wakefield Trinity, Hull FC, Beverley A.R.L.F.C. and the Scarborough Pirates.