Family name Дайал (Dayal 
, Дайал 
) , all over the world, is a widespread cognomen. The surname Дайал is characteristic of Fiji, where it is a common surname, India, where it is quite a common surname, and Qatar, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in India, Fiji, and the United States. Very seldom, Дайал is the forename as well as the last name.