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 Law, governing US military assistance to foreign military units
- Cape Leahy, in Antarctica
- Lahey Hospital & Medical Center, formerly known as Lahey Clinic, a physician-led nonprofit teaching hospital of Tufts University School of Medicine based in Burlington, Massachusetts