Cognomen Байкер (Biker 
, Байкер 
) , globally, is a rare surname. The last name Байкер is habitual in Kuwait, where it is a rare surname, Denmark, and Portugal, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Indonesia, Germany, and the United States. Likewise, Байкер is the forename as well as the last name.