Surname Yongyong (Yongyong 
, 永永 , 咏咏 ) , around the world, is quite a rare last name. The surname Yongyong is characteristic of China, where it is a rare surname, Singapore, where it is a very rare surname, and Philippines. Measured by absolute frequency, it most frequently occurs in China, Philippines, and Indonesia. More prevalently, Yongyong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yongyong | Malaysia, China, Indonesia, Philippines, Taiwan |
| 永永, 泳泳, 咏咏 | China |
Rogelio, Йонгёнг, ยงยิ่ง, 佣佣, 勇勇, 勇咏, 勇永, 勇泳, 勇涌, 勇用, 勇踊, 勇镛, 勇雍, 咏勇, 咏泳, 喁喁, 壅壅, 庸佣, 庸庸, 恿勇, 拥勇, 拥拥, 拥用, 永佣, 永勇, 永咏, 永庸, 永拥, 永泳, 永涌, 永湧, 永用, 永詠, 永踊, 永邕, 永镛, 永雍, 泳勇, 泳咏, 泳永, 泳涌, 泳湧, 泳甬, 涌勇, 涌泳, 涌涌, 涌雍, 湧勇, 湧湧, 用勇, 用永, 用用, 甬涌, 甬甬, 甬雍, 踊勇, 邕邕, 镛涌, 镛镛, 镛雍, 雍勇, 雍咏, 雍泳, 雍雍, and 颙颙