| Hornowszczyzna | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Podlaskie |
| Subdivision Type2: | County |
| Subdivision Name2: | Siemiatycze |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Dziadkowice |
| Coordinates: | 52.5167°N 23°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
Hornowszczyzna is a village in the administrative district of Gmina Dziadkowice, within Siemiatycze County, Podlaskie Voivodeship, in north-eastern Poland.[1] It lies approximately 14km (09miles) north-east of Siemiatycze and 680NaN0 south of the regional capital Białystok.