John Duthie

• John Duthie (footballer, born 1903), Scottish professional footballer
• John Duthie (footballer, born 1951) Australian rules footballer
• John Duthie (poker player), English television director and creator of the European Poker Tour
• John Duthie (politician), politician and businessman in New Zealand
• John Firminger Duthie, English botanist and explorer
• Sir John Duthie (barrister), prominent Scottish barrister knighted in 1918