Surname Estu (Estu 
) , in the world, is quite a rare family name. The cognomen Estu is habitual in Indonesia, where it is a rare surname, Ethiopia, where it is a very rare surname, and Nigeria. More frequently, Estu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Estu | Indonesia, Ethiopia, Guatemala, Nigeria, India |