Surname Jiuyu (久玉 
, 久余 , Jiuyu 
) , throughout the world, is a rare last name. The family name Jiuyu is habitual in Malaysia, where it is a very rare surname, China, and the United States, where it is an extremely rare surname. More frequently, Jiuyu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 久玉, 久余 | China |
| Jiuyu | China, Malaysia, Singapore, United States, New Zealand |
Йиую, 久于, 久喻, 久宇, 久嵛, 久彧, 久愉, 久愚, 久昱, 久榆, 久毓, 久渝, 久煜, 久瑀, 久瑜, 久禹, 久羽, 久育, 久裕, 久语, 久郁, 久钰, 久雨, 乆魚, 九于, 九余, 九宇, 九寓, 九御, 九愚, 九毓, 九渝, 九煜, 九玉, 九瑜, 九禹, 九羽, 九育, 九裕, 九谕, 九郁, 九钰, 九雨, 九馀, 咎宇, 就宇, 就毓, 就玉, 就瑜, 就裕, 旧与, 灸宇, 灸聿, 灸钰, 玖余, 玖宇, 玖玉, 玖瑜, 玖裕, 玖钰, 玖雨, 究宇, 纠鱼, 舊魚, 舊鱼, 赳宇, 酒宇, 酒毓, 酒渔, 酒逾, and 酒鱼