Tiberia is a genus of minute parasitic sea snails, marine gastropod molluscs in the family Pyramidellidae, the pyrams and their allies.

According to Schander, Van Aartsen & Corgan (1999) the subfamily Tiberiinae contains a single genus, Tiberia.

[2] Tiberiinae was one of eleven recognised subfamilies in the family Pyramidellidae according to the taxonomy of Ponder & Lindberg (1997).

[4] Tiberia is the type genus of the tribe Tiberiini.

[4] The very small shells of the species in this genus have many whorls.