Surname Kolyaev (Kolyaev 
, Коляев 
) , globally, is a rare cognomen. The cognomen Kolyaev is habitual in Belarus, where it is a rare surname, Russia, where it is a very rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Kolyaev | Russia |
| Коляев | Kazakhstan, Russia, Belarus |