Leahy (disambiguation)

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)