Cognomen Bluks (Bluks 
) , throughout the world, is a very rare last name. The surname Bluks is habitual in Latvia, where it is quite a rare surname, Lithuania, where it is a rare surname, and Canada, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Northern Europe, particularly Latvia, Lithuania, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Bluks | Latvia, Canada, United Kingdom, Lithuania |