Globally, Bryan Alfonso (Bryan Alfonso 
) is a rare male first name. The forename Bryan Alfonso is characteristic of Latin America and the Caribbean, particularly Costa Rica, where it is a rare male name, Chile, and Peru, where it is a very rare masculine name. Much less frequently, Bryan Alfonso is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Bryan Alfonso | Spain, Peru, Chile, Ecuador, Costa Rica |
Oviedo, Morales, Salazar, Castillo, Gonzalez, Espinoza, Perez Noboa, Armijo Carvajal, Morales Prado, Salazar Bermeo, and Jimenez Garcia