Cognomen Morethi (Morethi 
) , in the entire world, is a very rare surname. The last name Morethi is characteristic of Indonesia, where it is a very rare surname, South Africa, and Venezuela, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Indonesia, South Africa, and Brazil. Very seldom, Morethi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Morethi | Venezuela, Indonesia, Brazil, South Africa |