Last name 延圣 (Yansheng 
, 延圣 ) , all around the world, is a rare cognomen. The cognomen 延圣 is habitual in Singapore, where it is a rare surname, China, where it is a very rare surname, and Chile, where it is an extremely rare surname. In absolute terms, it is commonest in China, Singapore, and Brazil. More prevalently, 延圣 is the forename as well as the last name.