Last name Сеги (Segui 
, Seguí 
, Сеги 
) , in all the world, is a common surname. The last name Сеги is characteristic of Spain, where it is quite a common surname, Uruguay, where it is quite a rare surname, and Puerto Rico. Not in comparison with a country's population, it most frequently occurs in Spain, Philippines, and Argentina. Much less frequently, Сеги is the forename as well as the last name.