Last name Allya (Allya 
, Алля 
, Аллиа ) , across the world, is a rare surname. The family name Allya is characteristic of Indonesia, where it is a rare surname, Russia, where it is a very rare surname, and Kyrgyzstan. In absolute terms, it most frequently occurs in Indonesia, India, and Russia. More frequently, Allya is the forename as well as the last name.