Cognomen Vilerts (Vilerts 
) , worldwide, is a very rare family name. The surname Vilerts is habitual in Latvia, where it is a rare surname, Russia, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Vilerts | Latvia, United States, Russia |
| jānis vilerts Latvian chess player, LV (b. 1943) |
|