Yu is the pinyin romanisation of several Chinese family names. However, in the WadeâÂÂGiles romanisation system, Yu is equivalent to You in pinyin. "Yu" may represent many different Chinese characters, including ä½Â, äºÂ, ç±, é (é±¼), æ¼Â, æ¸Â, æ¥Â, ä¿Â, å», å ª, æÂ¼, éÂÂ, èÂÂ, éÂÂ, å°Â, 禹, 游, å°¤, 庾, å¨Â, 娱, and è¹.
The most common of the Yu surnames are äºÂ, ä½Â, and ä¿Â. In China, 0.62% of the population have the family name 亠in 2002 (about 7.4 million), and this surname is most common in Shandong province and northeastern China. Around 0.41% of the population have the surname ä½ in 2002 (over five million), and it is most common in Jiangxi, Zhejiang and Fujian provinces. The ä¿ surname represents around 0.12% of China's population.