Family name Coong (Coong 
) , in the entire world, is a rare last name. The family name Coong is habitual in Malaysia, where it is a rare surname, Denmark, and Vietnam, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Malaysia, Vietnam, and the United States. Very seldom, Coong is the forename as well as the last name.