John Hugh Gunner (17 May 1884 — 9 August 1918) was an English first-class cricketer and British Army officer. The son of the cricketer Charles Gunner, he was born at Bishops Waltham in May 1884. He was educated at Marlborough College, where he played for a captained the college cricket team. From there he matriculated to Trinity College, Oxford. He represented Trinity College at cricket, but did not progress to play for Oxford University Cricket Club, but did gain a half blue in field hockey. After graduating from Oxford, Gunner became a solicitor and joined the family firm, Gunner & Sons Solicitors, the fifth generation of the family to do so. Gunner was commissioned into the Hampshire Yeomanry as a second lieutenant in May 1905.