Xin (Wade–Giles: Hsin) is the romanization of several Chinese surnames including Xīn 辛, Xīn 新 and Xìn 信. Xīn 辛 is the commonest among these; it is the 379th surname in the Hundred Family Surnames.

Origin of Xin

辛

The Chinese Xin (辛) family originated from:

• Xia Hou (夏后) family in the Xia dynasty period
• Shen (莘) family in the Xia dynasty period
• Zang (藏) and Tujia (土家) the Chinese minority
• Xiang (項) family the Ji (姬) family in Later Zhou dynasty period
• Beidi the Donghu people

Also written "Sun" in Cantonese.

信

The Chinese Xin (信) family originated from:

• Ji (姬) family of Wei (state)
• Manchu people at Qing dynasty period

新

The Chinese Xin (新) family originated from:

• Ji (姬) family of Zhou dynasty
• Ji (姬) family of Jin (state) (晉)
• Mongolian of Yuan dynasty period

Notable people named Xin

Xīn 辛

• Master Wen, attributed author of Wenzi
• Xin Zhui (died 163 BC), Marquise of Dai
• Xin Ping, d. 204 – minister to Han Fu in the Eastern Han dynasty
• Xin Pi, minister for the Cao Wei empire
• Xin Xianying, 191–269 – daughter of Xin Pi
• Empress Xin (Zhang Zuo), wife of the Chinese state Former Liang's ruler Zhang Zuo
• Xin Maojiang, Tang dynasty chancellor
• Empress Xin, wife of Shi Siming
• Xin Qiji, poet and statesman in the Southern Song dynasty
• Hsin Wen-bing 1912–1999, Taiwanese politician.
• Jaime Sin, 1928–2005 – archbishop of Manila
• Xin Kegui, 1950–2012 – professor at Tsinghua University
• Winnie Hsin, b. 1962 – singer in Taiwan

Xīn 忻

• Xin Dongwang, 1963–2014 – painter in China

Xìn 信

• Hsin Shih-chang, Deputy Minister of the Overseas Community Affairs Council of the Republic of China
• Xin Dufang, mathematician in the Northern Qi dynasty
• Xin Changxing (信长星; born 1963) is a Chinese politician, currently serving as Deputy Communist Party Secretary of Anhui province