| Gmina Sidra | |
| Other Name: | Sidra Commune |
| Settlement Type: | Gmina |
| Total Type: | Total |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Podlaskie |
| Subdivision Type2: | County |
| Subdivision Name2: | Sokółka |
| Area Total Km2: | 173.96 |
| Population Total: | 3916 |
| Population As Of: | 2006 |
| Population Density Km2: | auto |
| Coor Pinpoint: | Sidra |
| Coordinates: | 53.5531°N 23.4486°W |
| Seat: | Sidra |
Gmina Sidra is a rural gmina (administrative district) in Sokółka County, Podlaskie Voivodeship, in north-eastern Poland. Its seat is the village of Sidra, which lies approximately 18km (11miles) north of Sokółka and 520NaN0 north of the regional capital Białystok.
The gmina covers an area of 173.96km2, and as of 2006 its total population is 3,916.
Gmina Sidra is bordered by the gminas of Dąbrowa Białostocka, Janów, Kuźnica, Nowy Dwór and Sokółka.