| Olszyna | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Lower Silesian |
| Subdivision Type2: | County |
| Subdivision Name2: | Lubań |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Olszyna |
| Established Title2: | Town rights |
| Established Date2: | 2005 |
| Coordinates: | 51.0667°N 15.3889°W |
| Pushpin Map: | Poland |
| Area Total Km2: | 20.26 |
| Population Density Km2: | auto |
| Population As Of: | 2019-06-30[1] |
| Population Total: | 4348 |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 59-830 |
| Area Code: | +48 75 |
| Blank Name: | License plates |
| Blank Info: | DLB |
| Website: | http://www.olszyna.pl |
Olszyna (German: Langenöls) is a town in Lubań County, Lower Silesian Voivodeship, in south-western Poland. Its name means "alder wood" in Polish. It is the seat of the administrative district (gmina) called Gmina Olszyna. A settlement dating back to the Middle Ages, it received its town charter in 2005.
It lies approximately 9km (06miles) south-east of Lubań, and 116km (72miles) west of the regional capital Wrocław. As of 2019, the town has a population of 4,348.