Harold Walker may refer to:
Harold Walker, Baron Walker of Doncaster (1927–2003), British Labour politician and life peer Harold Walker (British Army officer) (1862–1934), English general who led ANZAC forces in the First World War Harold Walker (Royal Navy officer) (1891–1975), Royal Navy admiral Harold Berners Walker (born 1932), former British Ambassador to Iraq, Bahrain and the UAE, son of Admiral Harold Walker Harold Walker (cricketer) (1918–2000), English cricketer Harold Walker (footballer) (1895–1935), Australian footballer Harold M. Walker (1904–1994), American animator Harold William Walker, Canadian Liberal politician from Ontario
See also Hal Walker (1896–1972), American film director Harry Walker (disambiguation)