Runa may refer to:
- The alternate name of Luna from the Casshan/Casshern series
- Runa (novel), a 2003 Argentine novel by Rodolfo Fogwill
- SS Runa, a British cargo ship in service 1949-64
- Runa Tokisaka from The SoulTaker
- The alternate name of Luna Platz from Mega Man Star Force
- Runa Rindo from Fairy Navigator Runa
- Runa LLC, an American and Ecuadorian beverage company