John Kirby

• Hertfordshire (UK Parliament constituency)
• Jack Kirby (disambiguation)
• John Henry Kirby
• John Kirby (American football)
• John Kirby (Canadian politician)
• John Kirby (MP)
• John Kirby (admiral)
• John Kirby (artist)
• John Kirby (attorney)
• John Kirby (baseball)
• John Kirby (bishop)
• John Kirby (cricketer)
• John Kirby (musician)
• John Kirby (surgeon)
• John Kirby (topographer)
• John Kirby Allen
• John Kirkby (disambiguation)
• John Kynnersley Kirby
• Jon Luke Kirby
• Joshua Kirby