Surname Adoir (Adoir 
) , all around the world, is a very rare last name. The cognomen Adoir is habitual in France, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and the United Kingdom. More frequently, Adoir is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Adoir | Brazil, United Kingdom, France, Venezuela |