Cognomen Planeto (Planeta 
, Pianeta 
, Planeto 
) , globally, is quite a rare last name. The cognomen Planeto is characteristic of Colombia, where it is quite a rare surname, Czechia, and Slovakia, where it is a rare surname. In absolute terms, it is commonest in Colombia, Italy, and Poland. Also, Planeto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Planeta | United States, Spain, Poland, Colombia, Italy |
| Pianeta | United States, France, Germany, Colombia, Italy |
| Planeto | Brazil, Philippines, Canada, United States |