Ernest Parker may refer to:
Ernest Parker (swimmer) (1895–1965), British swimmer Ernest L. Parker (1864–1934), American politician from Idaho Ernie Parker (1883–1918), Australian tennis player and cricketer Ernie Parker (footballer) (1913–1983), English footballer E. T. Parker (Ernest Tilden Parker, 1926–1991), American mathematician Ern Parker (William Ernest Parker, 1922–1974), Australian rules footballer