Peter Warlow Gatehouse (born 3 May 1936) is a former Welsh cricketer. Gatehouse was a right-handed batsman who bowled left-arm fast-medium. He was born at Caerphilly, Glamorgan.Gatehouse made his first-class debut for Glamorgan against Nottinghamshire at Stradey Park, Llanelli, in the 1957 County Championship. He made eighteen further first-class appearances for the county, the last of which came against Kent at the St Lawrence Ground, Canterbury.