John MacManus (1875–1950) was a New Zealand politician, trade unionist and farmer.
Born in Ireland in 1875, MacManus came to New Zealand in 1906. He was Secretary of the Dunedin General Labourers Union and during World War I he served in France. John MacManus was the NZLP candidate for Dunedin South in 1911, 1922 and 1925. He was a member of the Dunedin City Council between 1923 and 1926 (see the DCC website for information on former Dunedin City Councillors) and a farmer from 1926 to 1938.
MacManus died 1950.
Labour's Path to Political Independence: the Origins and Establishment of the NZLP: 1900-19 by Barry Gustafson (1980, Oxford University Press, Auckland) From the Cradle to the Grave: A biography of Michael Joseph Savage by Barry Gustafson (1986, Reed Methuen, Auckland)