Jack Collins may refer to:

• Jack Collins (footballer, born 1904) (1904–1968), Australian rules footballer for Melbourne
• Jack Collins (footballer, born 1910) (1910–1972), Australian rules footballer for Geelong
• Jack Collins (footballer, born 1930) (1930–2008), Coleman Medal winning Australian rules footballer for Footscray
• Jack Collins (footballer, born 1925) (1925–1998), Australian rules footballer for Fitzroy and Essendon
• Jack Collins (1930s footballer), English football winger
• Jack Collins (umpire) (1932–2021), Australian Test cricket umpire

• Jack Collins (politician) (born 1943), American college basketball coach and Speaker of the New Jersey General Assembly
• Jack Collins (actor) (1918–2005), American stage, film and television actor
• John W. Collins (1912–2001), American chess player and teacher
• C. John Collins, aka Jack Collins, conservative evangelical and fellow of the Discovery

• John Collins (disambiguation)
• Collins (surname)