John Hore may refer to:
John Hore (1680–1763), an English engineer John Hore (footballer, born 1947), English footballer who played for and managed Plymouth Argyle John Hore (footballer, born 1982), English footballer who played for Carlisle United John Hore (MP for Bridport) (died c. 1452), English MP for Bridport (UK Parliament constituency) John Hore (MP for Cambridgeshire) (died c. 1434), English MP for Cambridgeshire, and for Huntingdonshire John Hore (MP for Dungarvan), Irish Jacobite politician John Hore (songwriter) (1944-2022), later called John Hore Grenell or John Grenell, New Zealand country singer and songwriter John Hore (rugby union) (1907–1970), New Zealand rugby union player, All Black.
See also John Hoar (pirate) (died 1697), American/Irish pirate active in the Red Sea John Hoar (died 1704), American militia leader during King Philip's War