Mao is the romanization of several Chinese family names, including common names 毛 (Máo), 茅 (Máo) and some rare names 茆 (Máo), 卯 (Mǎo), 貌 (Mào) etc.

毛 originated from Ji (Chinese: 姬; pinyin: Jī), the clan name of Zhou dynasty.

毛 is the 106th surname in the Hundred Family Surnames, and ranks 87th largest number of people with this surname in China (2007).

[1] 茅 is the 119th surname in Hundred Family Surnames.

[2] zh:茅姓 zh:Category:茅姓