Family name Machado Ribeiro (Machado Ribeiro 
) , in all the world, is a very rare cognomen. The cognomen Machado Ribeiro is habitual in Aland Islands, where it is quite a common surname, Portugal, where it is a very rare surname, and France. Not in comparison with a country's population, it is the most numerous in France, Aland Islands, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Machado Ribeiro | Germany, Portugal, France, Brazil, Aland Islands |