Surname リュウゴ (リュウゴ 
) , in all the world, is quite a rare last name. The cognomen リュウゴ is habitual in Eastern Asia, particularly Japan, where it is a rare surname. Very seldom, リュウゴ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| リュウゴ | Japan |