Cognomen Seok-Hoon (석훈 
, Seok-Hoon 
) , all over the world, is an extremely rare surname. The family name Seok-Hoon is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Predominantly, Seok-Hoon is the forename as well as the last name. Parts of the name also exists independently as a last name Seok, and a last name Hoon.