| Olszyny | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Podlaskie |
| Subdivision Type2: | County |
| Subdivision Name2: | Łomża |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Piątnica |
| Pushpin Map: | Poland |
| Coordinates: | 53.2167°N 37°W |
Olszyny is a village in the administrative district of Gmina Piątnica, within Łomża County, Podlaskie Voivodeship, in north-eastern Poland.[1] It lies approximately 11km (07miles) east of Piątnica, 130NaN0 north-east of Łomża, and 630NaN0 west of the regional capital Białystok.