Family name Роговаиа (Rogovaya 
, Роговаиа , Rogovaia 
) , in all the world, is a rare cognomen. The surname Роговаиа is habitual in Estonia, where it is a rare surname, Russia, where it is a very rare surname, and Israel. In absolute terms, it is the most numerous in Russia, the United States, and Canada. Much less frequently, Роговаиа is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rogovaya | Ukraine, Russia, United States, Israel, China |
| Роговаиа | Russia |
| Rogovaia | Russia, Canada, Estonia |