Family name Cadem (Cadem 
) , in all the world, is a very rare last name. The family name Cadem is habitual in Italy, where it is a very rare surname, South Africa, and the United States, where it is an extremely rare surname. Very seldom, Cadem is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cadem | South Africa, Italy, Spain, United States, France |