Gilbert Laird Osborne Jessop (6 September 1906 – 16 January 1990) was an English cricketer. Jessop was a right-handed batsman who bowled right-arm off break. Jessop was educated at Weymouth College, where he represented the college cricket team from 1922 to 1924. Jessop made his first-class debut for the Marylebone Cricket Club in 1929 against Wales. This was Jessop's only first-class match that was not for Hampshire. In 1936 Jessop joined Cambridgeshire where he played three Minor Counties Championship fixtures against Norfolk, Lincolnshire and Suffolk.