Cognomen Diyas (Diyas 
, Дияс 
, دياز 
) , in the entire world, is a rare last name. The last name Diyas is habitual in Sri Lanka, where it is a rare surname, Kyrgyzstan, and Morocco. In absolute terms, it is the most numerous in Indonesia, India, and Sri Lanka. More prevalently, Diyas is the forename as well as the last name.