Altuna may refer to:
- Altuna Runestone, a Viking Age memorial runestone
- Altuna Sejdiu, Albanian-Macedonian singer-songwriter, known professionally as Tuna
- Fernando Bengoetxea Altuna, known as Pernando Amezketarra
- Horacio Altuna (born 1941), Argentinian comics artist
- Jon Altuna (born 1980), Spanish footballer
- Tuna Altuna (born 1989), Turkish tennis player