Surname Righo (Righo 
) , in the world, is a very rare cognomen. The cognomen Righo is characteristic of Brazil, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. More frequently, Righo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Righo | Democratic Republic of the Congo, India, United Kingdom, United States, Brazil |