Cognomen Sanjuanita (Sanjuanita 
) , in the world, is quite a common surname. The cognomen Sanjuanita is habitual in Mexico, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Also, Sanjuanita is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sanjuanita | Mexico, Canada, United Kingdom, United States, New Zealand |