Family name Casamen (Casamen 
) , around the globe, is a very rare last name. The family name Casamen is habitual in Ecuador, where it is a rare surname, Spain, where it is a very rare surname, and Venezuela. Very seldom, Casamen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Casamen | Spain, Venezuela, United States, Philippines, Ecuador |