| Miecznikowo-Siwe | |
| Settlement Type: | Settlement |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Warmian-Masurian |
| Subdivision Type2: | County |
| Subdivision Name2: | Nidzica |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Janowiec Kościelny |
| Coordinates: | 53.2725°N 20.4922°W |
| Pushpin Map: | Poland |
Miecznikowo-Siwe is a settlement in the administrative district of Gmina Janowiec Kościelny, within Nidzica County, Warmian-Masurian Voivodeship, in northern Poland.[1]