Family name ユー (Yu 
, You 
, Yueh ) , across the world, is a prevalent cognomen. The surname ユー is habitual in Mongolia, where it is a prevalent surname, Cayman Islands, where it is a widespread surname, and Hong Kong (explore the name in all countries). Measured by absolute frequency, the name is most common in China, Myanmar, and Mongolia. Much less frequently, ユー is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yu | Malaysia, China, Mongolia, Myanmar, Hong Kong |
| You | Malaysia, United States, Myanmar, Hong Kong, Taiwan |
| Yueh | Malaysia, China, United States, Hong Kong, Taiwan |
| ユー | Japan |
Dư, Dụ, Eo, Eoh, Hue, Hî, Hüe, Ju, Jü, Jū, Lao, Lau, Lauv, Lauw, Liew, Liou, Liu, Liú, Loo, Low, Lowe, Làu, Lâu, Lưu, Ngư, O, Ou, U, Uh, Urh, Vu, Vưu, Wo, Woo, Wu, Yau, Yee, Yoo, Yue, Yuu, Yú, Yü, Î, Ú, Û, Лау, Лю, У, Хюэ, Ю, Юй, יו, לאו, ליו, لاو, لو, ليو, لیو, يو, หลิว, ウ, オ, ユ, ラウ, ラオ, リュー, ロー, 于, 于氏, 休, 余, 俞, 兪, 刘, 刘氏, 劉, 劉氏, 喩, 喻, 尤, 尤氏, 庾, 於, 禹, 魚, 어, 우, and 유