Cognomen Янавичюс (Янавичюс 
) , throughout the world, is an extremely rare family name. The surname Янавичюс is habitual in Kazakhstan, where it is a very rare surname, Russia, where it is an extremely rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Янавичюс | Kazakhstan, Russia, Ukraine |
|
янавичюс, людвикас politician, LT (b. 1859) |
|