Globally, Bel-Osan (Bel-Osan 
) is an extremely rare unknown gender given name. Much more prevalently, Bel-Osan is the last name as well as the forename. Parts of the name also exists independently as a last name Bel, and a last name Osan.
| VARIANT | COUNTRY |
|---|---|
| Bel-Osan | Philippines |