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Cognomen Rulong (如龙 , Rulong , 汝龙 ) , across the world, is quite a rare surname. The surname Rulong is characteristic of China, where it is a rare surname, the United States, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Rulong is the forename as well as the last name.
Ma, Shen, Song, Chen, Cong, Peng, Deng, Dong, Gong, Tang, Tian, Hsiu, Wang, Weng, Yang, Zhou, Qiao, Xiao, Sheng, Jiang, Huang, Zhang, Shao, Xue, Xie, Qiu, He, Ye, Shi, Sun, Sui, Cai, Cao, Kai, Pan, Ren, Zheng, Dai, Lai, Lei, Liu, Jin, Jia, Wei, Yan, You, Zou, Zhu, Guo, and Zhong