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

This disambiguation page lists articles about people with the same name.
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