Jack Nicholas (1910–1977) was an English professional footballer.
Jack Nicholas may also refer to:
- Jack Nicholas (footballer, born 1885) (1885–1934), English footballer
As a middle name
- Jack Nicholas Pritzker (1904–1979), American businessman
- Jack Nicholas Agrios (born 1938), Canadian lawyer
- Jack Nicholas Cowgill (born 1997), English footballer
See also
- Jack Nicklaus (born 1940), American professional golfer