Eunomia may refer to:
- Eunomia (goddess) one of the Horae, goddesses of Greek mythology
- Eunomia (moth), a moth genus
- Callicore eunomia, a nymphalid butterfly species
- Boloria eunomia (formerly Proclossiana eunomia eunomia), scientific names for the Bog Fritillary butterfly
- The Eunomia family of asteroids (named after the goddess)
- 15 Eunomia, the largest asteroid in that family
- A fictional computer in SoltyRei; see List of SoltyRei characters#Eunomia