Bo is a set of several Chinese family names, including 薄 Bó, 柏 Bó/Bǎi, 波 Bō, 伯 Bó, etc. Among these names, 柏 is the 213th most common surname in China at present, shared by at least 430,000 Chinese citizens,^[1] although when used as a surname it is generally pronounced Bai. None of the other characters pronounced Bo are currently in the top 300 surnames in China,^[when?] although surname 薄 is the 271st surname in the Hundred Family Surnames and is quite well known due to it being the family name of high-profile politicians Bo Xilai and his father Bo Yibo.

According to a 2013 study, 薄 was the 337th most common surname, being shared by 140,000 people or 0.011% of the population, with the province with the most people having the name being Shandong.