Cognomen Alcarz (Alcarz 
) , all over the world, is a very rare surname. The last name Alcarz is characteristic of Mexico, where it is an extremely rare surname, Philippines, and Spain. Measured by absolute frequency, it is commonest in the United States, Mexico, and Philippines. Much less frequently, Alcarz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alcarz | Philippines, Brazil, Spain, Mexico, United States |