Family name Mtso (Mtso 
) , all over the world, is a very rare cognomen. The surname Mtso is habitual in South Africa, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and Thailand. Much less frequently, Mtso is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mtso | Thailand, Nigeria, South Africa |