Family name Калпана (Kalpana 
, Калпана 
) , globally, is a common cognomen. The surname Калпана is habitual in Brunei, where it is quite a common surname, Sri Lanka, where it is quite a rare surname, and Qatar. Measured by absolute frequency, it most frequently occurs in Southern Asia, particularly India, Sri Lanka, and Nepal. Much more prevalently, Калпана is the forename as well as the last name.