Worldwide, Galo Antonio (Galo Antonio 
) is a very rare boy's given name. The forename Galo Antonio is characteristic of Chile, where it is a rare boy's name, and Spain, where it is a very rare masculine name. Much less frequently, Galo Antonio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Galo Antonio | Chile, Mexico, Spain, Peru, Ecuador |
Avila, Alvarado Saldaña, Mendoza Zambrano, Zambrano Saltos, Zambrano Cacique, Tenesaca Landy, Guillen Moncayo, Cedeño Zambrano, Alcivar Zambrano, Zamora Velasquez, Hidalgo Demera, Gonzalez Roca, Cedeño Triana, Tapia Barrera, Santana Illescas, Rivera Alcivar, Mejia Salazar, Trejo Pantoja, Bailon Mieles, Sevilla Ulloa, Icaza Leon, Huichalaf, Monsalvez, Gonzalez, Arellano Castillo, and Zambrano Zambrano