Cognomen Klawdija (Клавдия 
, Klawdija) , globally, is quite a rare surname. The cognomen Klawdija is characteristic of Kyrgyzstan, where it is quite a common surname, Bulgaria, where it is quite a rare surname, and Belarus, where it is a rare surname. Measured by absolute frequency, the name is most common in Kyrgyzstan, Russia, and Bulgaria. Much more prevalently, Klawdija is the forename as well as the last name.