Joseph William Knight (20 September 1896 – 3 March 1974) was an English first-class cricketer.
Knight was born at Highworth, Wiltshire in September 1896. While studying at the University of Cambridge he made a single appearance in first-class cricket for Cambridge University against the British Army cricket team at Fenner's in 1921. Batting twice in the match, he was dismissed for a single run in the Cambridge first-innings by William Dickinson, while in their second-innings he was dismissed without scoring by Tom Jameson. Across the match he bowled 19 wicketless overs, conceding 53 runs. In addition to playing first-class cricket, Knight also played minor counties cricket for Wiltshire in 1920–23, making sixteen appearances in the Minor Counties Championship. He died in March 1974 at Childrey, Oxfordshire.