Cognomen Belsia (Belsia 
) , in all the world, is a very rare surname. The family name Belsia is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname, Honduras, and Venezuela. Measured by absolute frequency, it is the most numerous in India, Nicaragua, and Honduras. Much more frequently, Belsia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Belsia | Nicaragua, South Africa, Democratic Republic of the Congo, India, Venezuela |