Surname Янушкявичюс (Янушкявичюс 
, Januškevičius 
) , globally, is a rare cognomen. The surname Янушкявичюс is characteristic of Lithuania, where it is quite a rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Янушкявичюс | Russia |
| Januškevičius | Lithuania |
|
янушкявичюс, роман Lithuanian mathematician, LT (b. 1953) |
|