Family name Rastu (Rastu 
) , across the world, is a very rare cognomen. The last name Rastu is characteristic of Indonesia, where it is a very rare surname, the United States, where it is an extremely rare surname, and India. Also, Rastu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rastu | Malaysia, India, United States, New Zealand, Indonesia |