Surname Rupaka (Rupaka 
) , throughout the world, is a rare cognomen. The last name Rupaka is habitual in Malaysia, where it is a rare surname, Indonesia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Malaysia, Indonesia, and India. Also, Rupaka is the forename as well as the last name.