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, member of the Pritzker family Jack Agrios (Jack Nicholas Agrios, born 1938), Canadian lawyer Jack Cowgill (Jack Nicholas Cowgill, born 1997), English footballer
See also Jack Nicklaus (born 1940), American professional golfer