Lawrence Ivor (Jack) Pearson (25 January 1922 — 1 October 2007) was an English cricketer who played first class cricket for Derbyshire in 1946.Pearson was born at Darnall, Sheffield. He began playing for Derbyshire in July 1945 before the County Championship came back after the Second World War. He made his debut for Derbyshire in the 1946 season in a match against Glamorgan in August.