Cognomen Galkus (Galkus 
) , across the world, is a rare family name. The cognomen Galkus is habitual in Northern Europe, particularly Lithuania, where it is quite a rare surname, Latvia, where it is a rare surname, and Denmark. Much less frequently, Galkus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Galkus | United States, Latvia, Poland, Lithuania, Denmark |
|
juozas galkus LT (b. 1932) |
|
| arūnas galkus (b. 1954) |
|
|
| mindaugas galkus Cinematographer |
|