Cognomen John Bryan (John Bryan 
) , in all the world, is a rare family name. The family name John Bryan is habitual in Reunion, where it is quite a common surname, Chile, where it is a very rare surname, and Spain. Predominantly, John Bryan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| John Bryan | Reunion, Ecuador, Peru, Indonesia, Philippines |
Ong, Linaza, Flores, Marquez, Mendoza, Soriano, Ramirez, Domingo, Nierves, Santiago, Castillo, Balolong, Bautista, Peconcillo, Revillas, Dicimulacion, Gonzales, Leopando, Toapanta, Villarin, Dela Cruz, Pangilinan, Garcia, Bernel, Bagnol, Casubuan, Aqui, Chua, Cruz, Diaz, Mateo, Sazon, Buray, Perez, Ramos, Racca, Villanueva, Reyes, Lopez, Zabat, Monzon, Medina, Miaral, Santos, Alfaro, Arcega, Carlos, Castro, Gomez, and Constantino