John O'Connor

• Carroll O'Connor
• Jack O'Connor (disambiguation)
• John C. O'Connor
• John Conner (disambiguation)
• John Connor (disambiguation)
• John J. O'Connor (artist)
• John J. O'Connor (bishop of Newark)
• John J. O'Connor (journalist)
• John J. O'Connor (mathematician)
• John J. O'Connor (politician)
• John Jay O'Connor
• John Kennedy O'Connor
• John M. O'Connor
• John O'Connor (Archdeacon of Emly)
• John O'Connor (Australian cricketer)
• John O'Connor (Australian politician)
• John O'Connor (Canadian politician)
• John O'Connor (Cork hurler)
• John O'Connor (English cricketer)
• John O'Connor (Lord Mayor of Dublin)
• John O'Connor (North Kildare MP)
• John O'Connor (Wexford hurler)
• John O'Connor (athlete)
• John O'Connor (cardinal)
• John O'Connor (musician)
• John O'Connor (painter)
• John O'Connor (priest)
• John O'Connor Power
• John O'Conor
• John S. O'Connor
• Johnny O'Connor
• Johnny O'Connor (baseball)
• Johnny O'Connor (hurler)
• Jon O'Connor