Surname Жунжун (Rongrong 
, Жунжун) , all around the world, is a rare family name. The cognomen Жунжун is characteristic of Singapore, where it is a rare surname, Indonesia, where it is a very rare surname, and Georgia. Measured by absolute frequency, it is the most numerous in China, Indonesia, and Thailand. Predominantly, Жунжун is the forename as well as the last name.