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Last name Kaiju (开菊 , Kaiju , 开举 ) , globally, is a rare surname. The last name Kaiju is habitual in Finland, where it is a very rare surname, China, and Malaysia, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in China, India, and Finland. More frequently, Kaiju is the forename as well as the last name.
Si, Song, Chan, Chen, King, Peng, Dong, Tang, Tian, Ning, Wang, Yang, Zhao, Chang, Cheng, Liang, Jiang, Huang, Yadav, Yrttiaho, Zhang, Rahaman, Shen, Xia, Qin, Zhu, Du, Li, Lv, Tu, Hu, Fu, Wu, Yu, Shi, Pei, Harinen, Ray, Guo, Lee, Lin, Liu, Luo, Jin, Fan, Wei, Yan, Zuo, Das, and Yamaguchi