Quin may refer to:
- Quinlan a male given name, Quin is a shortened form of Quinlan.
- Dugall Quin, a character in the folk ballad Dugall Quin
- Mr. Quin, a character in the short story collection The Mysterious Mr. Quin
- Quin (Sigilverse), a fictional planet
- Quin, County Clare, a village in County Clare, Ireland
People named Quin:
- Andy Quin (born 1960), composer and jazz pianist
- Ann Quin (1936-1973), British writer
- Barry Quin (21st century), British-born actor
- Betty Quin (21st century), Australian script writer
- Edwin Wyndham-Quin, 3rd Earl of Dunraven and Mount-Earl (1812–1871), 1st Baron Kenry, politician
- Frederic Hervey Foster Quin (1799–1878), the first homeoopathic physician in England
- Huston Quin (1876-1938), mayor of Louisville, Kentucky
- James Quin (1693-1766), English actor
- Jesse Quin (born 1981), English musician
- Joyce Quin, Baroness Quin (born 1944), Labour Party politician in the United Kingdom
- Michael Joseph Quin (1796-1843), Irish author, journalist and editor
- Percy Quin (1872-1932), American politician
- Sara Quin (born 1980), Canadian musician
- Tegan Quin (born 1980), Canadian musician
- Quin Snyder (born 1966), current head coach of the NBDL's Austin Toros
- Valentine Quin, 1st Earl of Dunraven and Mount-Earl (1752-1824), Earl in the Peerage of Ireland
- Walter Quin (1575?–1634?) was a poet and royal tutor of Charles I of England.
- Windham Quin, 2nd Earl of Dunraven and Mount-Earl (1782-1850), member of the United Kingdom Parliament