Patrick John Kennelly AO (3 June 1900 – 12 December 1981) was an Australian politician. Born in Melbourne, he was educated at Catholic schools before becoming a clerk in the Australian Labor Party (ALP) office in Melbourne. He was an organiser of the Victorian ALP 1930–1946, Secretary 1946–1950 and Federal Secretary of the ALP 1946–1954. In 1938, he was elected to the Victorian Legislative Council for Melbourne West. He was an honorary minister in 1943, Commissioner of Public Works 1945–1947, and Minister in Charge of Electrical Undertakings 1945–1947.