Cognomen Nantra (นันทรา 
, Nantra 
, นันตรา ) , all around the world, is a rare last name. The surname Nantra is habitual in South-eastern Asia, particularly Indonesia, where it is a very rare surname, Thailand, and Malaysia, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Indonesia, Thailand, and India. Also, Nantra is the forename as well as the last name.