Family name بلون (Blon 
, بلون 
) , across the world, is quite a common cognomen. The cognomen بلون is habitual in Nepal, where it is quite a common surname, Qatar, where it is quite a rare surname, and Algeria. Measured by absolute frequency, the name is most common in Nepal, Algeria, and France. Very seldom, بلون is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Blon | France, Nepal, India, Ivory Coast, Algeria |
| بلون | Iran |