Miia may refer to:

People

* Miia Hakala (b. 1987), Finnish artistic gymnast * Miia Niemi (b. 1983), Finnish former footballer * Miia Nuutila (b. 1972), Finnish television actress * Miia Rannikmäe (b. 1951), Estonian chemist * MIIA (b.1997), Norwegian singer

Fictional characters

* Miia, a character in the Japanese manga series '' Monster Musume'' {{disambig