Last name Yuas (Yuas 
) , in the entire world, is a rare family name. The surname Yuas is characteristic of Malaysia, where it is a rare surname, Indonesia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Indonesia, Malaysia, and India. Very seldom, Yuas is the forename as well as the last name.