Last name 圭 (Kei 
, 圭 
) , in all the world, is a common cognomen. The surname 圭 is habitual in Cayman Islands, where it is quite a common surname, Macao, and Malaysia (explore the name in all countries). In absolute terms, this name is the most popular in Malaysia, China, and Indonesia. Also, 圭 is the forename as well as the last name.