Last name Cosito (Cosito 
) , in the world, is a very rare family name. The surname Cosito is habitual in Colombia, where it is a very rare surname, Germany, where it is an extremely rare surname, and Philippines. Measured by absolute frequency, it is commonest in Brazil, Colombia, and Germany. Much less frequently, Cosito is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cosito | Philippines, Brazil, Peru, Germany, Colombia |