Family name Lietuvninkas (Lietuvninkas 
) , in the world, is a very rare cognomen. The last name Lietuvninkas is characteristic of Lithuania, where it is a rare surname, the United States, where it is an extremely rare surname, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Lietuvninkas | United States, Lithuania, Canada |
| jurgis lietuvninkas LT (b. 1855) |
|
|
| abdonas lietuvninkas Lithuanian opera singer (1921-1994), LT (b. 1921) |
|
|
| arvydas lietuvninkas (b. 1939) |
|