Leahy is a Canadian folk rock band.
Leahy may also refer to:
Leahy (surname), people with the surname Leahy USS Leahy (DLG-16), a US Navy destroyer leader Leahy class cruiser, a class of US guided missile cruisers Leahy, Washington, United States Leahy Law, governing US military assistance to foreign military units Cape Leahy, in Antarctica Leahy (album)
See also Leahey, a surname Leakey (disambiguation)