Last name Nilya (นิลยา 
, Nilya 
, Ниля 
) , around the world, is a rare cognomen. The cognomen Nilya is habitual in Algeria, where it is a rare surname, Thailand, and Venezuela, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in India, Thailand, and Algeria. More frequently, Nilya is the forename as well as the last name.