Cognomen Carcoma (Carcoma 
) , across the world, is an extremely rare family name. The cognomen Carcoma is characteristic of Spain, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Carcoma is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Carcoma | United States, Spain |