Family name Kalpaks (Kalpaks 
) , around the world, is a very rare surname. The cognomen Kalpaks is habitual in Northern Europe, particularly Latvia, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kalpaks | Latvia |
|
oskars kalpaks Latvian military officer (1882-1919), LV (b. 1882) |
|
| alfons kalpaks Latvian actor, LV (b. 1927) |
|