Mimia or some variant thereof may refer to:
- Mimia (butterfly), a living genus of butterflies of the family Hesperiidae
- Mimia (fish), a fossil genus of fish of the class Actinopterygii
- the title character of Tales of Princess Mimia or Mimia-hime (ミミア姫), a manga series
- Minister for Immigration, Citizenship and Multicultural Affairs (MIMIA), an agency in Australia