John William Evans may refer to: Sir John Evans (Australian politician) (1855–1943), Premier of Tasmania, 1904–1909 John William Evans (geologist) (1857–1930), British geologist John William Evans (Welsh politician) (1870–1906), Liberal local politician in South Wales Jack Evans (rugby union, born 1875) (1875–1947), Wales international rugby player John William Evans (entomologist) (1906–1990), British entomologist
See also John Evans (disambiguation)