Globally, ยันยงค์ (ยันยงค์ 
) is a very rare mostly boy's, but uncommonly female forename. The given name ยันยงค์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare mostly male, but seldom girly name. Very seldom, ยันยงค์ is the last name as well as the forename.