Surname Соуто (Souto 
, Соуто 
) , in the world, is a common cognomen. The family name Соуто is characteristic of Portugal, where it is quite a common surname, Uruguay, and Brazil (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in Brazil, Argentina, and Spain. Much less frequently, Соуто is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Souto | Portugal, Spain, Uruguay, Argentina, Brazil |
| Соуто | Russia, Ukraine |