Surname Casmen (Casmen 
) , globally, is a very rare cognomen. The last name Casmen is characteristic of Philippines, where it is a very rare surname, Colombia, and Mexico, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Philippines, Colombia, and Nigeria. Likewise, Casmen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Casmen | Mexico, Colombia, Philippines, United States, Nigeria |