Family name Kayyum (Kayyum 
, Кайюм 
) , worldwide, is quite a common last name. The family name Kayyum is characteristic of Western Asia, particularly Saudi Arabia, where it is quite a rare surname, Oman, where it is a rare surname, and United Arab Emirates. Measured by absolute frequency, this name is the most popular in India, Saudi Arabia, and Bangladesh. More frequently, Kayyum is the forename as well as the last name.