Surname Pilai (Pilai 
, พิไล , พิลัย ) , all over the world, is quite a rare last name. The last name Pilai is habitual in Thailand, where it is a rare surname, Malaysia, and United Arab Emirates. Not in comparison with a country's population, it most frequently occurs in India, Thailand, and Malaysia. Also, Pilai is the forename as well as the last name.