Cognomen קלפנה (Kalpana 
, קלפנה 
) , throughout the world, is a common surname. The family name קלפנה is characteristic of Brunei, where it is quite a common surname, Sri Lanka, where it is quite a rare surname, and Qatar. Not in comparison with a country's population, it is commonest in Southern Asia, particularly India, Sri Lanka, and Nepal. Predominantly, קלפנה is the forename as well as the last name.