Surname 金岩 (Jinyan 
, 金岩 ) , throughout the world, is quite a rare last name. The cognomen 金岩 is characteristic of Singapore, where it is a rare surname, China, where it is a very rare surname, and Malaysia. Not in comparison with a country's population, it is the most numerous in China, Malaysia, and Spain. More frequently, 金岩 is the forename as well as the last name.