Last name Welchi (Welchi 
) , in the world, is a rare surname. The last name Welchi is habitual in Ethiopia, where it is a very rare surname, and Brazil, where it is an extremely rare surname. More frequently, Welchi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Welchi | Brazil, Democratic Republic of the Congo, Ethiopia, India |