John Donnelly may refer to:
John Donnelly (Australian politician) (1885–1956), Australian politician John Donnelly (baseball) (1850–1913), American baseball player John Donnelly (footballer, born 1936) (1936–2009), Scottish footballer (Celtic, Preston North End) John Donnelly (footballer, born 1961), Scottish footballer (Motherwell, Leeds United) John Donnelly (hurler) (born 1998), Irish hurler in Kilkenny John Donnelly (ice hockey) (born 1948), Canadian ice hockey defenceman who played in the WHA with the Ottawa Nationals John Donnelly (Irish farmer), Irish farmer who was President of the Irish Farmers' Association, 1994–1998 John Donnelly (rowing) (1905–1986), Canadian Olympic rower John Donnelly (rugby league) (1955–1986), Australian rugby league footballer John Donnelly (whaler) (1822–1904), New Zealand whaler and gold prospector John Aiden Donnelly (born 1952), Gardaí officer and recipient of the Scott Medal John C. Donnelly (1839–1895), American Civil War sailor and Medal of Honor recipient John H. Donnelly (1857–1926), American politician and government official John J. Donnelly (born 1952), Vice Admiral in the US Navy John P. Donnelly (1886–1949), American politician John Donnelly (playwright), author of Going Forward in 2020 UK drama series Unprecedented
See also Joe Donnelly (born 1955), American attorney, diplomat and politician (senator from Indiana)