Cognomen Machadoo (Machadoo 
) , all over the world, is a very rare family name. The surname Machadoo is characteristic of Latin America and the Caribbean, particularly Uruguay, where it is a rare surname, Colombia, where it is a very rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Machadoo | Colombia, Brazil, Uruguay, United States, Argentina |