John Gregory (cricketer, born 1842)

John Gregory (born 16 November 1842, date of death unknown) was an English cricketer who played first-class cricket for Sussex between 1861 and 1866.

Gregory was a right-handed batsman and a right-arm roundarm bowler. He appeared in 13 first-class matches, scoring 159 runs with a highest score of 32 and taking 17 wickets with a best performance of 5 for 22. His bowling style was noted as being "fast round-arm".

Beyond his first-class appearances, further details of his cricketing career and life are limited.