Cognomen Casemero (Casemero 
) , globally, is a rare surname. The family name Casemero is habitual in Philippines, where it is a rare surname, and the United States, where it is an extremely rare surname. Likewise, Casemero is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Casemero | Peru, Philippines, United States, Canada, Brazil |