Last name ביארק (Bjarke 
, ביארק 
, Byarke 
) , across the world, is a rare surname. The family name ביארק is habitual in Northern Europe, particularly Norway, where it is a rare surname, Sweden, and Denmark. Measured by absolute frequency, it is the most numerous in Sweden, the United States, and Norway. More prevalently, ביארק is the forename as well as the last name.