Cognomen Gaston Marcelo (Gaston Marcelo 
) , globally, is a very rare family name. The family name Gaston Marcelo is habitual in Chile, where it is a rare surname, and Spain, where it is a very rare surname. More frequently, Gaston Marcelo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gaston Marcelo | Peru, Argentina, Spain, Chile, Ecuador |