Jack Whittaker may refer to:
- Jack Whittaker (lottery winner) (1947–2020), American businessman
- Jack Whittaker (politician), Canadian Member of Parliament
- Jack Whitaker (equestrian), British show jumper (born 2001)
See also
edit- Jack Whitaker (1924-2019), American sportscaster
- John Whittaker (disambiguation)
- John Whitaker (disambiguation)