Inna is a Romanian pop singer.
Inna may also refer to:
- Inna (given name)
- Inna (album), an album by Romanian singer Inna
- Inna (Verdal), a river in Verdal municipality in Trøndelag county, Norway
- 848 Inna, a minor planet in the solar system
- INNA, meaning "Irish need not apply", a variation of NINA (No Irish need apply)