John Tasker may refer to:
John Tasker (sea captain) (1742–1800) John Tasker (architect) (1738–1818) John Tasker (cricketer) (1887–1975), British cricketer John Tasker (theatre director) ( – 1988), Australian theatre director John Tasker (1659–1730/31), son-in-law of Thomas Brooke Jr. John Tasker (jockey) (died 1855), rode in 1850 Grand National