Across the world, Bartkus (Bartkus 
) is an extremely rare unknown gender forename. Much more frequently, Bartkus is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Bartkus | United Kingdom, United States, Lithuania, Germany, Latvia |
|
ray bartkus Lithuanian artist (b. 1961) |
|
| petras bartkus (b. 1925) |
|
|
| viva bartkus university researcher |
|