In all the world, Vjatcheslav (Вятчеслав 
, Вйатчеслав , Vjatcheslav 
) is a very rare male forename. The first name Vjatcheslav is habitual in Eastern Europe, particularly Ukraine, where it is a very rare masculine name, and Russia. Very seldom, Vjatcheslav is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Вятчеслав | Kyrgyzstan, Russia, Ukraine |
| Вйатчеслав | Russia |
| Vjatcheslav | Estonia, Russia, Belgium, United States |