Cognomen Сечь (Sech 
, Setch 
, Сечь 
) , across the world, is quite a rare surname. The last name Сечь is characteristic of Botswana, where it is quite a rare surname, Poland, where it is a rare surname, and Italy. Not in comparison with a country's population, this name is the most popular in Poland, the United States, and Italy. Also, Сечь is the forename as well as the last name.