Cognomen Seranio (Seranio 
) , in the world, is a very rare surname. The last name Seranio is habitual in Philippines, where it is a very rare surname, Argentina, where it is an extremely rare surname, and Mexico. Measured by absolute frequency, it is the most numerous in Philippines, the United States, and Mexico. Much less frequently, Seranio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Seranio | Mexico, Argentina, United States, Philippines |