Family name Ramsay-Johnson (Ramsay-Johnson 
) , worldwide, is an extremely rare last name. The cognomen Ramsay-Johnson 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 Ramsay, and a last name Johnson.
| VARIANT | COUNTRY |
|---|---|
| Ramsay-Johnson | United States |