The East German mark (German: Mark der DDR (help·info)), commonly called the eastern mark (Ostmark (help·info) in West Germany and after the reunification), in East Germany only Mark, was the currency of the German Democratic Republic (East Germany).
Mark Jerman Timur (bahasa Jerman:  Mark der DDR (bantuan·info)) biasa disebut sebagai mark timur ( Ostmark (bantuan·info) di Jerman Barat dan setelah reunifikasi), di Jerman Timur hanya Mark, adalah mata uang Republik Demokratik Jerman (Jerman Timur).