Patrick Leahy (disambiguation)

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
 * Pat Leahy (American football) (born 1951), placekicker
 * Pat Leahy (ice hockey) (born 1979), ice hockey right wing
 * Patrick F. Leahy, American academic administrator