Cognomen கஸ்தூரி (Kasturi 
, கஸ்தூரி) , around the world, is a common last name. The family name கஸ்தூரி is characteristic of India, where it is quite a rare surname, United Arab Emirates, and Kuwait. Not in comparison with a country's population, it is commonest in India, Indonesia, and Malaysia. More frequently, கஸ்தூரி is the forename as well as the last name.