Family name Балаин (Balain 
, Балаин 
, Balayn 
) , all around the world, is a rare last name. The cognomen Балаин is habitual in France, where it is a rare surname, Argentina, and Malaysia, where it is a very rare surname. In absolute terms, it is the most numerous in France, India, and Argentina. Very seldom, Балаин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Balain | Argentina, United States, Malaysia, India, France |
| Балаин | Russia, Kazakhstan |
| Balayn | Argentina, Philippines, United States, Germany, France |