Patrick Leahy (born 1940) is an American politician, who served as a United States Senator from Vermont.
Patrick Leahy may also refer to: Patrick Leahy (bishop) (1806–1875), Roman Catholic Archbishop of Cashel Patrick Leahy (Australian politician) (1860–1927), Queensland politician Patrick Leahy (athlete) (1877–1927), Irish Olympic athlete Pat Leahy (Tipperary hurler) (1857–?), Irish hurler for Tipperary Pat Leahy (Cork hurler) (1878–1950), Irish hurler for Cork Paddy Leahy (1892–1966), Irish hurler for Tipperary Paddy Leahy (footballer) (1874–1955), Australian rules footballer Pat Leahy (Australian footballer) (1917–2009), Australian rules footballer Patrick Leahy (doctor) (1917–1998), Irish doctor Pat Leahy (American football) (born 1951), placekicker Pat Leahy (ice hockey) (born 1979), ice hockey right wing Patrick F. Leahy, American academic administrator