Family name Wastu (Wastu 
) , around the world, is a rare last name. The family name Wastu is habitual in Indonesia, where it is a rare surname, Nigeria, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Wastu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wastu | Indonesia, India, Nigeria |