You () is the pinyin romanization of several Chinese family names including 尤 Yóu, 游 Yóu, 㳺 Yóu, 犹 Yóu, 由 Yóu, 右 Yòu, 幽 Yōu, etc. Among these names, 尤 Yóu and 游 Yóu are relatively common. 尤 Yóu is the 19th surname in Hundred Family Surnames.

In Wade–Giles romanization system, You is spelled as Yu. Notable people with one of these surnames include:

Yóu 尤 It is the 19th name on the Hundred Family Surnames poem.

You Ching (born 1942), Taiwanese diplomat You Quan (born 1954), Chinese politician, former Communist Party Secretary of Fujian province You Yong (born 1963), Chinese actor You Wenhui (born 1979), Chinese volleyball player You Meihong (born 1993), Chinese swimmer You Zhangjing (born 1994), Malaysian singer and songwriter, former member of Nine Percent You Xiaodi (born 1996), Chinese tennis player Yu Ming-shi, Administrative Deputy Minister of Coast Guard Administration of the Republic of China

Yóu 游 You Benchang (1933–2026), Chinese actor You Hwai-yin (born 1942), Taiwanese banker and Kuomintang politician You Si-kun (born 1948), Taiwanese Democratic Progressive Party politician Yu An-shun (born 1967), Taiwanese actor Chris Yu (born 1968, Taiwanese singer Charles Yu (born 1976), American writer of Taiwanese descent Martino Yu (born 1977), Taiwanese artist Yew Jia Haur (游佳豪; born 1978), Malaysian politician Kelvin Yu (born 1979), American actor of Taiwanese descent

Yóu 由 You Xigui (born 1939), People's Liberation Army general You Yuanwen (born 1986), Chinese football striker and midfielder

You: other or unknown You Bo, Khmer writer and the president of the Khmer Writers' Association You Bong-hyung (born 1970), South Korean fencer Carson Huey You (born 2002), American student, youngest person to ever receive a bachelor's degree from Texas Christian University You Chung Hong (1898–1977), American attorney and community leader Dominique You (1775–1830), French privateer You Hockry (born 1944), Cambodian politician Lum You (1861–1902), Chinese man convicted of murder in the Pacific Northwest