Loy is both a given name and a surname.
Loy may also refer to:
- Loy (gastropod), a genus of sea slugs within the superfamily Onchidoridoidea
- Loy, County Tyrone, a townland in County Tyrone, Northern Ireland
- Loy's Ape, an unconfirmed species of primate formally known as ameranthropoides loysi
- USS Loy (DE-160), a destroyer escort of the United States Navy
- Loy (spade), a type of spade once used for manual ploughing in Ireland
See also
edit- St Loy's Cove, a small bay in Cornwall, UK