Family name Дейя (Dheya 
, Дейя 
) , across the world, is a rare cognomen. The cognomen Дейя is characteristic of Bahrain, where it is quite a rare surname, Iraq, where it is a rare surname, and Kyrgyzstan, where it is a very rare surname. In absolute terms, it is the most numerous in Indonesia, Iraq, and India. More frequently, Дейя is the forename as well as the last name.