Family name Guilson (Guilson 
) , in all the world, is a very rare cognomen. The last name Guilson is habitual in Latin America and the Caribbean, particularly Honduras, where it is a rare surname, Venezuela, where it is a very rare surname, and Colombia. More prevalently, Guilson is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guilson | Honduras, Brazil, Colombia, Guatemala, Philippines |