Surname Byks (Byks 
, Бикс 
) , worldwide, is a rare cognomen. The cognomen Byks is habitual in Poland, where it is a rare surname, Bulgaria, and Kyrgyzstan, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Poland, Russia, and Turkey. Also, Byks is the forename as well as the last name.