Last name อนันตรา (Anantra 
, อนันตรา , Anaddhra) , throughout the world, is a very rare cognomen. The cognomen อนันตรา is habitual in South-eastern Asia, particularly Indonesia, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and Thailand. Not in comparison with a country's population, it is commonest in Indonesia, Thailand, and India. More frequently, อนันตรา is the forename as well as the last name.