Family name Лонкевич (Лонкевич 
, Lonkevych 
, Lonkevich 
) , all around the world, is a very rare surname. The surname Лонкевич is habitual in Ukraine, where it is a very rare surname, Italy, and Georgia. Measured by absolute frequency, it most frequently occurs in Russia, Ukraine, and Italy.
| VARIANT | COUNTRY |
|---|---|
| Лонкевич | Ukraine, Russia |
| Lonkevych | United States |
| Lonkevich | Italy, Russia, Georgia, United States |