Cognomen ヒョク (Hyuk 
, ヒョク 
, Hjok) , across the world, is quite a rare family name. The last name ヒョク is habitual in South Korea, where it is quite a rare surname, Singapore, where it is a rare surname, and Malaysia. Measured by absolute frequency, it is commonest in South Korea, China, and Indonesia. Likewise, ヒョク is the forename as well as the last name.