Patrick Joseph Minahan, (27 March 1866 – 3 October 1933) was an Irish-born Australian politician. He was born at Killaloe, County Clare to bootmaker Patrick Minahan and Mary, née Murphy. He arrived in New South Wales around 1883 and by 1888 had established a boot manufacturing business. In 1900 he married Catherine Kinsela, with whom he had five children; she died in 1914. In 1915 he remarried with Elizabeth Mary Ward in Dublin, and returned to Sydney. The couple had a further two children. He became involved in the Labor Party and was a member of the central executive from 1907 to 1913, serving as vice-president in 1909 and president in 1910.