Jack Powell may refer to: Jack Powell (athlete) (1910-1982), British Olympic athlete Jack Powell (footballer, born 1860) (1860–1947), Welsh international football player Jack Powell (footballer, born 1994), English football player for Millwall Jack Powell (baseball) (1874–1944), American baseball player Jack Powell (1913 pitcher) (1891–1930), American baseball pitcher Jack Powell (rugby union) (1882–1941), Welsh rugby union player for of the 1900s and 1910s for Wales, Cardiff, London Welsh, and Glamorgan