Last name Swas (Swas 
) , around the world, is a rare surname. The cognomen Swas is habitual in Syria, where it is quite a rare surname, Saudi Arabia, where it is a rare surname, and New Zealand, where it is a very rare surname. Measured by absolute frequency, it is commonest in Syria, Indonesia, and Saudi Arabia. Much less frequently, Swas is the forename as well as the last name.