| Gmina Miastkowo | |
| Other Name: | Miastkowo Commune |
| Settlement Type: | Gmina |
| Total Type: | Total |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Podlaskie |
| Subdivision Type2: | County |
| Subdivision Name2: | Łomża County |
| Coor Pinpoint: | Miastkowo |
| Coordinates: | 53.1667°N 70°W |
| Area Total Km2: | 114.84 |
| Population Total: | 4350 |
| Population As Of: | 2011[1] |
| Population Density Km2: | auto |
| Seat: | Miastkowo |
| Website: | http://www.miastkowo.pl/ |
Gmina Miastkowo is a rural gmina (administrative district) in Łomża County, Podlaskie Voivodeship, in north-eastern Poland. Its seat is the village of Miastkowo, which lies approximately 18km (11miles) west of Łomża and 910NaN0 west of the regional capital Białystok.
The gmina covers an area of 114.84km2, and as of 2006 its total population is 4,306 (4,350 in 2011).
Gmina Miastkowo contains the villages and settlements of Bartkowizna, Cendrowizna, Czartoria, Drogoszewo, Gałkówka, Kaliszki, Kolonia Nowogrodzka, Korytki Leśne, Kraska, Kuleszka, Leopoldowo, Łubia, Łuby-Kiertany, Łuby-Kurki, Miastkowo, Naruszczki, Nowosiedliny, Orło, Osetno, Podosie, Rybaki, Rydzewo, Rydzewo-Gozdy, Sosnowiec, Sulki, Tarnowo and Zaruzie.
Gmina Miastkowo is bordered by the gminas of Lelis, Łomża, Nowogród, Rzekuń, Śniadowo, Troszyn and Zbójna.