Surname Смаев (Смаев 
, Smaev 
) , in the entire world, is a rare family name. The last name Смаев is habitual in Estonia, where it is a rare surname, Bulgaria, and Kazakhstan. In absolute terms, it is commonest in Russia, Kazakhstan, and Bulgaria. Very seldom, Смаев is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Смаев | Russia, Kazakhstan, Kyrgyzstan |
| Smaev | Estonia, Russia, Bulgaria |