Last name Янушка (Januška 
, Янушка 
, Janushka 
) , in the entire world, is a rare family name. The surname Янушка is characteristic of Lithuania, where it is quite a rare surname, Slovakia, and Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Januška | Lithuania, Czechia, Croatia, Slovakia |
| Янушка | Belarus, Russia, Kazakhstan, Ukraine |
| Janushka | North Macedonia |
| вячаслаў аляксеевіч янушка BY (b. 1950) |
|