Cognomen Yasis (Yasis 
) , in the world, is quite a rare surname. The family name Yasis is characteristic of South-eastern Asia, particularly Philippines, where it is quite a rare surname, Malaysia, where it is a rare surname, and Indonesia, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Philippines, India, and Indonesia. Much less frequently, Yasis is the forename as well as the last name.