| Kościeliska Kostellitz | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Name: | Poland |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Opole |
| Subdivision Type2: | County |
| Subdivision Name2: | Olesno |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Radłów |
| Coordinates: | 50.9833°N 48°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | right |
| Population Total: | 737 |
Kościeliska is a village in the administrative district of Gmina Radłów, within Olesno County, Opole Voivodeship, in south-western Poland.[1] It lies approximately 14km (09miles) north-east of Olesno and 540NaN0 north-east of the regional capital Opole.