In the entire world, Chiayu (Chiayu 
) is a rare feminine first name. The forename Chiayu is characteristic of Taiwan, where it is a rare feminine name, and the United States, where it is an extremely rare epicene name.
Ma, Shih, Chan, Chiu, Chen, Chou, Peng, Liao, Tang, Tsai, Hung, Wang, Yang, Chang, Chien, Cheng, Chong, Chung, Huang, Hsieh, Hwang, Mcgill, Shen, Yen, Wei, Wen, Su, Ai, Ku, Du, Li, Lo, Lu, Tu, Ho, Hu, Chiang, Wu, Mao, Chi, Kuo, Pan, Lai, Lee, Lin, Liu, Hsu, Fan, Yu, and Chuang