Surname يو (Yu 
, You 
, Yo , along with others...) , throughout the world, is a prevalent last name. The family name يو is characteristic of 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, it is commonest in China, Myanmar, and Mongolia. Very seldom, يو is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yu, Yo | Malaysia, Mongolia, Hong Kong, China, Myanmar |
| You | Singapore, United States, Malaysia, Hong Kong, Myanmar |
| Yeo | United States, Malaysia, Hong Kong, China, Myanmar |
| يو | Morocco, Algeria, Iraq, Egypt, Sudan |
| Yū | China, Myanmar, Philippines |
Du, Dư, Dụ, Jo, Ju, Jú, Jû, Jü, Jū, Lao, Lau, Lauv, Lauw, Liew, Liou, Liu, Liú, Loo, Low, Lowe, Làu, Lâu, Lưu, Ou, U, Uh, Vu, Wo, Woo, Wu, Yee, Yeow, Yeu, Yew, Yiu, Yoh, Yoo, Yue, Yuh, Yw, Yú, Yü, Yō, Yǔ, Î, Û, Йо, Лю, У, Ю, Юй, Ё, יו, ליו, ليو, لیو, هيو, หลิว, ウ, ユ, ユウ, ユー, ヨ, ラウ, ラオ, リュー, ロー, 于, 于氏, 余, 俞, 兪, 刘, 刘氏, 劉, 劉氏, 呂, 喩, 喻, 尤, 庾, 柳, 汝, 禹, 约, 閩, 류, 여, 우, and 유