Family name Kalpanaa (Kalpanaa 
, กัลปนา 
) , in all the world, is a very rare last name. The family name Kalpanaa is characteristic of Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Kalpanaa is the forename as well as the last name.
Das, Devi, Nair, Sinha, Waagh, Rajput, Baskaran, Subramanian, and Ramakrishna