Surname કલ્પના (Kalpana 
, કલ્પના) , throughout the world, is a common family name. The last name કલ્પના is habitual in Brunei, where it is quite a common surname, Sri Lanka, where it is quite a rare surname, and Qatar. In absolute terms, it is commonest in Southern Asia, particularly India, Sri Lanka, and Nepal. Much more frequently, કલ્પના is the forename as well as the last name.