Last name Walerjan (Валерьян 
, Walerjan 
) , globally, is a rare surname. The last name Walerjan is characteristic of Poland, where it is a rare surname, Kyrgyzstan, and France, where it is a very rare surname. In absolute terms, it most frequently occurs in Poland, Russia, and Kyrgyzstan. Predominantly, Walerjan is the forename as well as the last name.