Cognomen Campbellsmith (Campbellsmith 
) , across the world, is an extremely rare surname. The cognomen Campbellsmith is habitual in the United Kingdom, where it is an extremely rare surname, and the United States. Very seldom, Campbellsmith is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Campbellsmith | United States, United Kingdom |