Surname Jayang (Jayang 
) , around the world, is a rare family name. The last name Jayang is habitual in South-eastern Asia, particularly Malaysia, where it is a rare surname, Indonesia, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Malaysia, Indonesia, and India. Likewise, Jayang is the forename as well as the last name.