Surname Пиллай (Pillay 
, Пиллай) , in all the world, is a common cognomen. The surname Пиллай is habitual in Seychelles, where it is a widespread surname, Fiji, where it is a common surname, and South Africa (explore the name in all countries). Not in comparison with a country's population, the name is most common in South Africa, India, and Malaysia.