Cognomen Pelna (Pelna 
) , all over the world, is a rare last name. The surname Pelna is habitual in Northern Europe, particularly Latvia, where it is quite a rare surname, Estonia, where it is a rare surname, and Norway, where it is a very rare surname. Measured by absolute frequency, the name is most common in Latvia, the United States, and Estonia. Very seldom, Pelna is the forename as well as the last name.