| Kalwińszczyna | |
| Settlement Type: | Village |
| Pushpin Map: | Poland |
| Coordinates: | 53.6014°N 23.4514°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Podlaskie |
| Subdivision Type2: | County |
| Subdivision Name2: | Sokółka |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Sidra |
Kalwińszczyna is a village in the administrative district of Gmina Sidra, within Sokółka County, Podlaskie Voivodeship, in north-eastern Poland.[1]
In 1975–1998, the village belonged administratively to the Białystok Voivodeship.