William Irvine (November 3, 1741 – July 29, 1804) was an Irish-American physician, soldier, and statesman from Carlisle, Pennsylvania. He served as a brigadier general in the Continental Army and represented Pennsylvania in both the Continental Congress (1787–88) and the United States House of Representatives (1793–1795).
William Irvine (February 14, 1820 – November 12, 1882) was an American lawyer, soldier, and politician from Corning, New York. He was elected to the United States House of Representatives in 1858 as a Republican in New York's 28th district. He served only one term (1859-1861).
Sir William Hill Irvine GCMG (6 July 1858 - 20 August 1943), Australian politician and judge, was the 21st Premier of Victoria. Irvine was born in Newry in County Down, Ireland, into a Scottish-Presbyterian family. He was educated in Armagh and Dublin, graduating in law in 1879 before migrating to Melbourne, where he taught in Presbyterian schools and read law at Melbourne University, gaining a masters degree in arts and law.