Fabia is a female given name derived from the male names Fabius, Fabian or Fabio. It may be related to the Fabia gens of the Romans. The name may refer to:
- Fabia Arete, Roman dancer, actress and singer
- Fabia Drake (1904–1990), British actress
- Fabia Eudokia (580–612), Byzantine empress
- Fabia Numantina, Roman noblewoman
- Fabia Orestilla, Roman noblewoman
- Fabia Trabaldo (born 1972), Italian athlete