Surname Vyachelav (Вячелав 
, Vyachelav 
) , around the world, is a very rare family name. The cognomen Vyachelav is characteristic of Antigua and Barbuda, where it is quite a common surname, Kyrgyzstan, where it is a very rare surname, and Russia, where it is an extremely rare surname. More frequently, Vyachelav is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Вячелав | Kyrgyzstan, Kazakhstan, Belarus, Russia, Ukraine |
| Vyachelav | Antigua and Barbuda, Kazakhstan, United States |