John “Jack” Crompton (born 18 December 1921 in Hulme, Manchester, Lancashire) is a former English football player. He was a goalkeeper for Manchester United between 1944 and 1956. Having played for Oldham Athletic as an amateur and Stockport County as a guest player during the Second World War, Compton turned professional at Old Trafford in 1944 and was in the United team that won the 1948 FA Cup. Jack retired in 1956 and became trainer at United two years later.
He later dabbled in management, taking charge of Luton Town for one week in 1962 before deciding his heart lay with United, who he served for 32 years in various capacities. He coached and later managed Barrow in the Fourth Division between 1971 and ’72, when they lost their League status; was assistant manager-coach at Bury in 1972; and No 2 to Bobby Charlton at Preston North End in 1973-74.
In May 1981, Back at Manchester United, Crompton was interim manager between the dismissal of Dave Sexton and the appointment of Ron Atkinson. Now aged 90, he is one of the oldest surviving former Manchester United players, and one of the last of surviving members of United’s successful late 1940s/early 1950s side, and the only survivor from either team in the 1948 FA Cup Final following the death of Johnny Morris in April 2011.
Jack is currently Club President of Curzon Ashton F.C. and resides in Oldham, Greater Manchester.