Yao (Chinese: 姚; pinyin: Yáo), also romanized as Yiu in Cantonese, is one of the most ancient Chinese surnames, the "Eight Great Xings of High Antiquity". It is also unique that, along with Jiang 姜 it is still in common use in the modern day. It is listed 101st in the Hundred Family Surnames, and as the 51st most common surname in Mainland China.[2]