Cognomen John Ryan (John Ryan 
) , globally, is an extremely rare family name. The cognomen John Ryan is habitual in the United Kingdom, where it is an extremely rare surname, and the United States. Predominantly, John Ryan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| John Ryan | New Zealand, United Kingdom, United States, Spain, Philippines |
Tan, Pascual, Ferrera, Ignacio, Orillos, Martinez, Santiago, Asuncion, Castillo, Baltazar, Bautista, Kosonlawat, Gonzales, Enriquez, Imperial, San Pedro, Rodriguez, Dela Cruz, Dinauanao, Gutierrez, Tolentino, Hernandez, Aguilar, Alfonso, Mendoza, Mahilum, Chan, Cruz, Viar, Campo, Calma, Palma, Perez, Ramos, Reyes, Dizon, Fernandez, Lopez, Suarez, Aquino, Pineda, Rivera, Garcia, Gabito, Gerona, Torres, Eribal, Flores, Santos, and Villanueva