Surname Чеи (Cei 
, Чеи 
) , all around the world, is quite a rare last name. The surname Чеи is characteristic of Italy, where it is quite a rare surname, Argentina, where it is a rare surname, and Switzerland. Not in comparison with a country's population, this name is the most popular in Italy, Argentina, and Brazil. Much less frequently, Чеи is the forename as well as the last name.