Egeria (pilgrim), also called Aetheria, a fourth century Christian woman, sometimes assumed to be a nun, who made a pilgrimage to the Holy Land and wrote a letter about her travels

"Egeria" (episode of Rome), an episode of the television series Rome

Egeria (mythology), a mythological water nymph and the wife of Numa Pompilius, second king of Rome. She is shown on the coat of arms of Ariccia.

USS Egeria (ARL-8), a U.S. Navy repair ship named after the nymph

a synonym of counsel, from the nymph

13 Egeria, an asteroid

Egeria (genus), a genus of aquatic plants