| Gmina Wąsosz | |
| Other Name: | Wąsosz Commune |
| Settlement Type: | Gmina |
| Total Type: | Total |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Podlaskie |
| Subdivision Type2: | County |
| Subdivision Name2: | Grajewo |
| Area Total Km2: | 117.92 |
| Population Total: | 3954 |
| Population As Of: | 2011[1] |
| Population Density Km2: | auto |
| Coor Pinpoint: | Wąsosz |
| Coordinates: | 53.5219°N 22.3203°W |
| Seat: | Wąsosz |
Gmina Wąsosz is a rural gmina (administrative district) in Grajewo County, Podlaskie Voivodeship, in north-eastern Poland. Its seat is the village of Wąsosz, which lies approximately 17km (11miles) south-west of Grajewo and 730NaN0 north-west of the regional capital Białystok.
The gmina covers an area of 117.92km2, and as of 2006 its total population is 3,999 (3,954 in 2011).
Gmina Wąsosz contains the villages and settlements of Bagienice, Bukowo Duże, Jaki, Kędziorowo, Kolonia-Gródź, Kolonia-Łazy, Kolonie-Ławsk, Komosewo, Kudłaczewo, Ławsk, Łempice, Modzele, Niebrzydy, Nieciki, Sulewo-Kownaty, Sulewo-Prusy, Szymany, Wąsosz, Zalesie and Żebry.
Gmina Wąsosz is bordered by the gminas of Grabowo, Grajewo, Przytuły, Radziłów and Szczuczyn.