In all the world, Francisco Casimiro (Francisco Casimiro 
) is a very rare male given name. The given name Francisco Casimiro is habitual in Southern Europe, particularly Spain, where it is a very rare male name. Much less frequently, Francisco Casimiro is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Francisco Casimiro | Spain, Chile, Ecuador, Argentina, Peru |