Last name كوتو (Couto 
, Kotto 
, Cotto 
) , in all the world, is a widespread family name. The family name كوتو is characteristic of Portugal, where it is a common surname, Puerto Rico, where it is quite a common surname, and Brazil (explore the name in all countries). In absolute terms, it is commonest in Brazil, Portugal, and the United States. Very seldom, كوتو is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Couto | Portugal, Bolivia, United States, Brazil, Mozambique |
| Kotto | Indonesia, Cameroon, United States, France, Democratic Republic of the Congo |
| Cotto | Bolivia, United States, Puerto Rico, Argentina, Brazil |
| كوتو | Turkey, Yemen, Sudan, Syria, Egypt |