Surname Austenia (Austenia 
) , throughout the world, is an extremely rare family name. The last name Austenia is habitual in Israel, where it is a very rare surname, and Mexico, where it is an extremely rare surname. Much more frequently, Austenia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Austenia | Brazil, Mexico, Argentina, Israel, Democratic Republic of the Congo |
Cezar, Gerico, Baliano, and Bayidikila