In the entire world, Вечаслав (Вечаслав 
) is a very rare masculine forename. The forename Вечаслав is habitual in Eastern Europe, particularly Russia, where it is a very rare boy's name. Very seldom, Вечаслав is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Вечаслав | Kyrgyzstan, Kazakhstan, Ukraine, Russia |