Cognomen Tigistu (Tigistu 
) , all over the world, is quite a common last name. The last name Tigistu is characteristic of Ethiopia, where it is quite a rare surname, and Indonesia, where it is a very rare surname. Very seldom, Tigistu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tigistu | Sudan, Ethiopia, United States, Indonesia, South Africa |
| tigistu toru researcher |
|