Cognomen Gayas (Gayas 
, Гаяс 
) , around the globe, is quite a common last name. The last name Gayas is characteristic of Philippines, where it is quite a rare surname, Kuwait, where it is a rare surname, and Saudi Arabia. Measured by absolute frequency, it is the most numerous in Philippines, India, and Saudi Arabia. Also, Gayas is the forename as well as the last name.