Fabia may refer to:
Fabia gens, an ancient Roman family Fabia, the daughter of Marcus Fabius Ambustus (consular tribune 381 BC) Fabia (given name), an Italian feminine given name derived from masculine Fabio Fabia Arete, Roman actress Fabia Eudokia, a Byzantine empress Natalia Fabia (born 1983), American painter Fabia (crab), a genus of crab in the family Pinnotheridae Fabia (Latium), an ancient city in Latium Fabia Sheen, a fictional character from the Bakugan franchise Škoda Fabia, an automobile