Surname 炜欣 (Weixin 
, 炜欣 ) , throughout the world, is a rare last name. The family name 炜欣 is characteristic of Taiwan, where it is a rare surname, Hong Kong, and Singapore. Measured by absolute frequency, this name is the most popular in China, Taiwan, and Indonesia. Much more prevalently, 炜欣 is the forename as well as the last name.