Cognomen Сэймур (Seymur 
, Сэймур) , globally, is a rare surname. The family name Сэймур is characteristic of Azerbaijan, where it is quite a rare surname, Bulgaria, where it is a rare surname, and Peru, where it is a very rare surname. In absolute terms, it is the most numerous in Azerbaijan, Bulgaria, and China. Predominantly, Сэймур is the forename as well as the last name.