Cognomen Rafael Eugenio (Rafael Eugenio 
) , around the globe, is a rare family name. The surname Rafael Eugenio is habitual in Chile, where it is a rare surname, and Spain, where it is a very rare surname. More frequently, Rafael Eugenio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rafael Eugenio | Chile, Peru, Ecuador, Spain, Costa Rica |
Del, Cordero, Vergara, Martinez, Carvajal, Calderon, Gonzalez, Sotomayor, Contreras, Rodriguez, Vega Zavala, Fernandez, Vergel Varo, Ruiz Puello, Ortega Pino, Herrera Rojas, Martinez Menanteau, Contreras Vergara, Cabrera, Martinez Mardones, Alcorta, Salazar, Soto, Diaz, Vega, Perez, Godoy, Lopez, Tapia, Ortiz, Moreno, Muñoz, Sotelo, Acosta, Castro, Vargas, Flores, Morales, Sanchez, Serrano, and Sanchez Fernandez