Cognomen Yuyou (玉友 
, 玉有 , Yuyou 
) , globally, is quite a rare surname. The family name Yuyou is characteristic of China, where it is a rare surname, and Mexico, where it is an extremely rare surname. More prevalently, Yuyou is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 玉友, 余佑, 玉有 | China |
| Yuyou | Italy, Spain, United States, Singapore, China |
Юёу, 与友, 与右, 与幽, 与忧, 与悠, 与由, 予优, 予游, 予由, 于佑, 于又, 于友, 于右, 于宥, 于悠, 于有, 于由, 于诱, 余优, 余友, 余幼, 余有, 余游, 域游, 宇优, 宇佑, 宇又, 宇友, 宇宥, 宇悠, 宇攸, 宇有, 宇游, 宇由, 宇遊, 宇铀, 愈友, 愈有, 愈由, 愉又, 愉友, 昱佑, 昱又, 昱友, 昱悠, 昱攸, 昱有, 昱酉, 榆有, 欲尤, 欲有, 毓佑, 毓友, 毓悠, 毓攸, 毓有, 毓莜, 毓诱, 渝又, 渝友, 渝有, 煜友, 煜尤, 煜有, 煜猷, 玉优, 玉佑, 玉又, 玉尤, 玉幼, 玉幽, 玉悠, 玉油, 玉游, 玉诱, 玉邮, 玉酉, 瑜佑, 瑜尤, 瑜悠, 瑜莜, 盂友, 禹佑, 禹又, 禹友, 禹游, 禹猷, 羽优, 羽佑, 羽幽, 羽悠, 羽攸, 羽游, 聿优, 聿友, 育优, 育佑, 育侑, 育又, 育友, 育有, 育油, 育游, 育由, 芋有, 虞佑, 裕优, 裕佑, 裕友, 裕尤, 裕悠, 裕有, 裕柚, 裕游, 裕铕, 誉又, 誉友, 语宥, 语忧, 语悠, 语攸, 谀有, 豫尤, 豫有, 遇优, 遇友, 遇有, 郁优, 郁侑, 郁友, 郁忧, 郁有, 郁猷, 钰友, 钰尤, 钰有, 钰由, 钰诱, 雨优, 雨佑, 雨友, 雨幽, 雨忧, 雨悠, 雨攸, 雨有, 雨游, 雨莜, 雨邮, 鬻牖, 鱼佑, 鱼悠, and 鱼游