Last name Яньхун (Yanhong 
, Яньхун 
) , in all the world, is quite a rare family name. The cognomen Яньхун is habitual in Singapore, where it is a rare surname, the Democratic Republic of the Congo, and Malaysia. Measured by absolute frequency, it most frequently occurs in China, the Democratic Republic of the Congo, and Indonesia. Much more frequently, Яньхун is the forename as well as the last name.