Cognomen Rongrong (Rongrong 
, 荣蓉 , 溶溶 ) , worldwide, is quite a rare last name. The family name Rongrong is habitual in China, where it is a rare surname, Singapore, and Indonesia, where it is a very rare surname. Not in comparison with a country's population, it is commonest in China, Indonesia, and Thailand. Much more prevalently, Rongrong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rongrong | China, Thailand, Indonesia, Hong Kong, United States |
| 戎戎, 荣蓉, 溶溶 | China |
Жунжун, Ронгронг, รงรอง, รองรอง, รักษ์รงค์, 冗冗, 冗容, 冗戎, 冗荣, 嫆嫆, 嬫荣, 容容, 容嵘, 容戎, 容榕, 容溶, 容熔, 容瑢, 容荣, 容蓉, 容融, 容镕, 嵘嵘, 嵘戎, 嵘榕, 嵘茸, 嵘荣, 嵘蓉, 嵘融, 戎容, 戎嵘, 戎榕, 戎绒, 戎茸, 戎荣, 戎蓉, 戎融, 榕容, 榕嵘, 榕榕, 榕溶, 榕熔, 榕荣, 榕蓉, 榕融, 榮容, 榮嵘, 榮嶸, 榮榮, 榮蓉, 溶容, 溶嵘, 溶榕, 溶熔, 溶荣, 溶蓉, 溶融, 熔容, 熔榕, 熔熔, 熔荣, 熔蓉, 熔融, 瑢瑢, 瑢蓉, 绒容, 绒熔, 绒瑢, 绒绒, 绒茸, 绒荣, 绒蓉, 肜肜, 茸容, 茸榕, 茸榮, 茸绒, 茸茸, 茸荣, 茸蓉, 荣冗, 荣容, 荣嵘, 荣戎, 荣榕, 荣溶, 荣熔, 荣瑢, 荣绒, 荣茸, 荣荣, 荣融, 荣镕, 蓉容, 蓉嵘, 蓉戎, 蓉榕, 蓉榮, 蓉溶, 蓉绒, 蓉茸, 蓉荣, 蓉蓉, 蓉融, 蝾嵘, 融容, 融榕, 融溶, 融熔, 融肜, 融荣, 融蓉, 融融, 鎔榕, 鎔鎔, 镕嵘, 镕戎, 镕榕, 镕溶, 镕熔, 镕荣, 镕蓉, 镕融, and 镕镕