Last name Vjatšeslav (Вячеслав 
, Vjatšeslav 
) , all around the world, is a common family name. The last name Vjatšeslav is characteristic of Kyrgyzstan, where it is quite a common surname, Moldova, and Armenia. Not in comparison with a country's population, it most frequently occurs in Russia, Kyrgyzstan, and Uzbekistan. Much more prevalently, Vjatšeslav is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Вячеслав | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Vjatšeslav | Estonia |
Vaclau, Vaclaw, Vencel, Venceslao, Venceslav, Ventseslav, Venčeslav, Viachaslau, Viacheslav, Viatcheslav, Vjacseszlav, Vjatjeslav, Vjatseslav, Vjatsjeslav, Vjačeslav, Vyachaslau, Vyachaslaw, Vyacheslav, Václav, Věnceslav, Wacław, Wenzel, Wenzeslaw, Więcesław, Wjatscheslaw, В'Ячеслав, Вацлав, Вацлаў, Венцел, Венцель, Венцеслав, Венчеслав, Вячаслав, Вячаслаў, and Слава