Last name Сегеи (Segey 
, Сегеи , Seguei 
) , worldwide, is a very rare surname. The family name Сегеи is characteristic of Bulgaria, where it is a rare surname, Spain, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Spain, Bulgaria, and China. More frequently, Сегеи is the forename as well as the last name.