Last name Estiria (Estiria 
) , around the globe, is an extremely rare family name. The surname Estiria is habitual in South-eastern Asia, particularly Philippines, where it is an extremely rare surname. More prevalently, Estiria is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Estiria | Philippines, Brazil, United States, Indonesia, Argentina |