Family name Янулайтис (Янулайтис 
) , around the globe, is an extremely rare last name. The last name Янулайтис is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Янулайтис | Russia |
Janulajtis, Janulajtys, Yanulaitis, and Yanulaytis