John Flood

• John Flood, UK-Australian legal sociologist
• John Flood , Australian born, Irish cricketer
• John Flood , Irish revolutionary
• John Flood, English footballer with Southampton and Bournemouth
• John Flood, Scottish footballer with Sheffield United, Airdrieonians and Partick Thistle
• John Joe Flood, Irish footballer
• John H. Flood, Massachusetts sheriff and politician
• John H. Flood Jr., mining engineer and unpublished Wyatt Earp biographer