Last name Dainier (Dainier 
) , globally, is an extremely rare surname. The surname Dainier is habitual in Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname, and Mexico. Much more prevalently, Dainier is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dainier | Costa Rica, Mexico, United States, Cuba, Brazil |