Around the world, Blas Antonio (Blas Antonio 
) is quite a rare boy's forename. The forename Blas Antonio is habitual in Latin America and the Caribbean, particularly Antigua and Barbuda, where it is quite a common masculine name, Paraguay, and Chile, where it is a rare masculine name. Measured by absolute frequency, this name is the most popular in Paraguay, Chile, and Spain. Much less frequently, Blas Antonio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Blas Antonio | Colombia, Paraguay, Spain, Chile, Ecuador |
Leal, Parreã'O, Riquelme, Gonzalez, Larrayad, Ferreira, Melgarejo, Aquino Jr, Rodriguez, Gutierrez, Hernandez, Bustamante, Godoy Sandoval, Villanueva, Doblado Bustillo, Farias Arce, Oronoz Rodriguez, Delgado Rangel, Sanchez Rando, Sanchez Garcia, Carmona Benitez, Riquelme Perez, Parreño, Martinez, Herrera, Gimenez, Hita, Vega, Isla, Marin, Morel, Araya, Gomez, Lopez, Isasi, Ojeda, Echeverria Riquelme, Andres, Romero, Garcia, Juarez, Vargas, Franco, Alvarez, Arevalo, Breschi, Pizarro, Guardia, Castro, and Alvarez Montaño