Erne may refer to:
- Ships
- HMS Erne, various ships of Britain's navy, including:
- HMS Erne (U03), a sloop-of-war
- HMS Erne (1903), a River class destroyer
- Erne (ship), a British (later Canadian) ship that transported Indian labourers
- People
- Young Erne (1884–1944), a boxer
- Philippe Erne (1986– ), a Liechtenstein footballer
- Earl Erne, a title in the peerage of Ireland
- Other
- Sea eagle, any bird of prey in the genus Haliaeetus
- River Erne, a river in Ireland
- Lough Erne, a lake in Ireland