Last name Коблашев (Коблашев 
) , across the world, is a very rare surname. The last name Коблашев is habitual in Belarus, where it is a rare surname, Kazakhstan, and Russia, where it is an extremely rare surname. Very seldom, Коблашев is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Коблашев | Belarus, Russia, Kazakhstan |