Cognomen 煜欣 (Yuxin 
, 煜欣 ) , around the globe, is a rare family name. The family name 煜欣 is habitual in Singapore, where it is a rare surname, Malaysia, and China, where it is a very rare surname. In absolute terms, it is commonest in China, Indonesia, and Malaysia. Much more prevalently, 煜欣 is the forename as well as the last name.