Leahy (disambiguation)

Leahy is a Canadian folk rock band.

Leahy may also refer to:

• Leahy (surname)
• William D. Leahy, Fleet Admiral at the time of World War Two
• Patrick Leahy, a US Senator from Vermont
• USS Leahy (DLG-16), a US Navy destroyer leader
• Leahy class cruiser, a class of US guided missile cruisers
• Leahy Law, governing US military assistance to foreign military units
• Cape Leahy, in Antarctica