Jack O'Neill (disambiguation)

Jack O'Neill may refer to:

Jack O'Neill, fictional character in the Stargate film and television series
Jack O'Neill (baseball) (1873-1935), Irish-–American baseball player
Jack O'Neill (businessman), American surfer and businessman, founder of O'Neill, the surfwear and equipment brand
Jack O'Neill (musician), American rock musician, member of Jackopierce

See also