Last name Casid (Casid 
) , around the globe, is a very rare cognomen. The surname Casid is characteristic of Philippines, where it is a very rare surname, the United States, where it is an extremely rare surname, and India. Very seldom, Casid is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Casid | India, Brazil, Philippines, United States |