Cognomen Costa-Ware (Costa-Ware 
) , across the world, is an extremely rare last name. The family name Costa-Ware 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 Costa, and a last name Ware.
| VARIANT | COUNTRY |
|---|---|
| Costa-Ware | United States |