Family name Сюмер (Sümer 
, Сюмер 
) , worldwide, is a common cognomen. The last name Сюмер is characteristic of Turkey, where it is quite a common surname, Cyprus, where it is quite a rare surname, and Germany, where it is a rare surname. In absolute terms, it is commonest in Turkey, Germany, and China. Very seldom, Сюмер is the forename as well as the last name.