Cognomen Yadaf (Yadaf 
, ยาดาฟ 
) , worldwide, is a rare surname. The cognomen Yadaf is characteristic of Saudi Arabia, where it is a rare surname, Thailand, where it is a very rare surname, and Malaysia. Not in comparison with a country's population, the name is most common in Thailand, Saudi Arabia, and India. Very seldom, Yadaf is the forename as well as the last name.