In all the world, Juan Gregorio (Juan Gregorio 
) is quite a rare masculine given name. The first name Juan Gregorio is characteristic of Latin America and the Caribbean, particularly Paraguay, where it is quite a rare masculine name, Chile, and Peru. In absolute terms, this name is the most popular in Chile, Peru, and Spain. Very seldom, Juan Gregorio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Juan Gregorio | Peru, Paraguay, Spain, Chile, Ecuador |
| juan gregorio yztueta zalvide 1815-05-20, ES (b. 1815) |
|
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| juan gregorio zubeldia mancicidor 1884-03-04, ES (b. 1884) |
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Soto, Garcia, Guzman, Torres, Nuñez, Valero, Farias, Farcha, Flores, Quispe, Mendoza, Sanchez, Sagredo, Condori, Ramirez, Navarro, Vasquez, Martinez, Sandoval, Castillo, Gonzalez, Rodriguez, Rivera, Castro, Syquia, Samper, Cruz, Ruiz, Diaz, Lara, Vera, Mejia, Perez, Peña, Ramos, Rojas, Gutierrez, Reyes, Gomez, Lagos, Lopez, Jorge, Vidal, Mateos, Mamani, Moreno, Mejias, Muñoz, Rivas, and Hernandez