In all the world, Ngoạn (Ngoạn 
) is an extremely rare masculine forename. More prevalently, Ngoạn is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ngoạn | Vietnam |
| nguyễn phúc ngọc ngoạn (b. 1794) |
|
|
| trần hữu ngoạn VN (b. 1934) |
|
|
| vũ viết ngoạn VN (b. 1958) |
|