Family name Youzhu (幼珠 
, Youzhu 
, 有珠 ) , throughout the world, is a rare surname. The last name Youzhu is habitual in Eastern Asia, particularly China, where it is a very rare surname. More frequently, Youzhu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 幼珠, 有珠, 友竹 | China |
| Youzhu | China, Spain, Switzerland, United States, Brazil |
优柱, 优珠, 优竹, 佑丶, 佑主, 佑柱, 佑珠, 佑竹, 侑珠, 侑祝, 又丶, 又助, 又朱, 又柱, 又祝, 又竹, 友丶, 友主, 友伫, 友住, 友助, 友朱, 友柱, 友株, 友注, 友珠, 友祝, 友竺, 友筑, 友茱, 友铸, 右丶, 右住, 呦丶, 宥朱, 宥竹, 尤丶, 尤主, 尤柱, 尤注, 尤珠, 尤祝, 幼主, 幼朱, 幼柱, 幼株, 幼祝, 幼竹, 幽猪, 幽竹, 幽铸, 忧丶, 忧朱, 忧猪, 忧竹, 悠丶, 悠猪, 悠竹, 有主, 有住, 有助, 有朱, 有柱, 有株, 有注, 有潴, 有烛, 有祝, 有竹, 有铢, 有铸, 柚竹, 油丶, 油猪, 游丶, 游櫫, 游猪, 游珠, 游竺, 猷柱, 猷祝, 由丶, 由柱, 由烛, 由珠, 由祝, 由竹, 由诸, 由铸, 祐竹, 莜猪, 莜珠, 莜竹, 诱丶, and 酉竹