Surname Campbell-Simao (Campbell-Simao 
) , in the entire world, is an extremely rare family name. The family name Campbell-Simao is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Campbell, and a last name Simao.
| VARIANT | COUNTRY |
|---|---|
| Campbell-Simao | United States |