Surname Kościów (Kościów 
) , in all the world, is a very rare cognomen. The surname Kościów is habitual in Eastern Europe, particularly Poland, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kościów | Poland |
| zbigniew kościów PL (b. 1929) |
|
|
| aleksander kościów PL (b. 1974) |
|