Jack Egan may refer to:
- Jack Egan (boxer) (1878–1950), American boxer
- Johnny Egan (Australian footballer) (born 1898), Australian footballer
- Jack Egan (Cork hurler) (1904–1984), Irish hurler
- Jack Egan (Kilkenny hurler) (1921–1994), Irish hurler
- Jack Egan (footballer) (born 1998), English footballer
- John Egan (basketball) (born 1940s), American basketball guard