Family name কৈলাশ (Kailash 
, কৈলাশ) , across the world, is a common cognomen. The surname কৈলাশ is characteristic of Mauritius, where it is quite a common surname, Nepal, where it is quite a rare surname, and Qatar. Not in comparison with a country's population, it most frequently occurs in India, Nepal, and Saudi Arabia. Much more prevalently, কৈলাশ is the forename as well as the last name.