Family name Sergio Gerardo (Sergio Gerardo 
) , around the world, is a rare last name. The surname Sergio Gerardo is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare surname. More frequently, Sergio Gerardo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sergio Gerardo | Ecuador, Mexico, Costa Rica, Chile, Peru |
Mata, Campos, Rivera, Garcia, Torres, Vargas, Viquez, Morales, Sanchez, Alvarez, Ramirez, Jimenez, Quesada, Martinez, Cascante, Calderon, Gonzalez, Maldonado, Contreras, Rodriguez, Gutierrez, Hernandez, Castro, Angulo, Solano, Muñoz, Mora, Soto, Arce, Diaz, Leon, Vega, Marin, Salas, Solis, Arias, Fernandez, Calvo, Roman, Rojas, Reyes, Riffo, Duran, Gomez, Leiva, Lopez, Ortiz, Molina, Parra, and Vargas Arevalo