Cognomen 金虹 (Jinhong 
, 金虹 ) , worldwide, is quite a rare last name. The family name 金虹 is characteristic of South Korea, where it is a rare surname, Singapore, and Malaysia, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in China, South Korea, and Indonesia. Much more frequently, 金虹 is the forename as well as the last name.