| Gradzanowo Kościelne | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Żuromin |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Siemiątkowo |
| Pushpin Map: | Poland |
| Coordinates: | 52.8981°N 20.0897°W |
Gradzanowo Kościelne is a village in the administrative district of Gmina Siemiątkowo, within Żuromin County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 5km (03miles) north-east of Siemiątkowo, 230NaN0 south-east of Żuromin, and 980NaN0 north-west of Warsaw.