Harry or Harold Fletcher may refer to:
Scientists Harold Fletcher, assistant zoologist on the 1929–31 British Australian and New Zealand Antarctic Research Expedition Harold Fletcher (botanist) (1907–1978), English botanist Harold Oswald Fletcher (1903–1996), Australian palaeontologist
Sportsmen Harry Fletcher (footballer, born 1873) (1873–1923), English footballer Harry Fletcher (Scottish footballer) (1879–1917), Scottish amateur footballer for Queen's Park
Others Harry Fletcher (politician) (1910–1990), Australian politician
See also Henry Fletcher (disambiguation)