| Kosiorowo | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Pułtusk |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Świercze |
| Pushpin Map: | Poland |
| Coordinates: | 52.7°N 71°W |
| Population Total: | 147 |
| Population As Of: | 2011 |
| Postal Code Type: | Postal code |
| Postal Code: | 06-150 |
| Area Code: | 23 |
| Geocode: | 0128527 |
Kosiorowo is a village in the administrative district of Gmina Świercze, within Pułtusk County, Masovian Voivodeship, in east-central Poland.[1] [2] It lies approximately 7km (04miles) north-east of Świercze, 160NaN0 west of Pułtusk, and 550NaN0 north of Warsaw.