| Official Name: | Olesko |
| Native Name: | Ukrainian: Олесько |
| Settlement Type: | Rural settlement |
| Pushpin Map Caption: | Location of Olesko within Ukraine |
| Pushpin Map: | Ukraine Lviv Oblast#Ukraine |
| Subdivision Type: | Country |
| Subdivision Type1: | Oblast |
| Subdivision Name1: | Lviv Oblast |
| Subdivision Type2: | Raion |
| Subdivision Name2: | Zolochiv Raion |
| Population As Of: | 2022 |
| Population Total: | 1418 |
| Population Density Km2: | auto |
| Coordinates: | 49.9631°N 24.8939°W |
| Subdivision Type3: | Hromada |
| Subdivision Name3: | Busk urban hromada |
Olesko (Ukrainian: Олесько; Polish: Olesko) is a rural settlement in Zolochiv Raion, Lviv Oblast (region) of western Ukraine. It belongs to Busk urban hromada, one of the hromadas of Ukraine.[1] Population: .
It was the seat of the rebbes of Alesk, and also the birthplace of Jan III Sobieski, the King of Poland and Grand Duke of Lithuania.
The earliest mentioned Jewish community is in 1500. Olesko was the place of residence of tzadikim in the 19th century. In 1935 its Jewish population was 738.[2]
Until 18 July 2020, Olesko belonged to Busk Raion. The raion was abolished in July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions of Lviv Oblast to seven. The area of Busk Raion was merged into Zolochiv Raion.[3] [4]
Until 26 January 2024, Olesko was designated urban-type settlement. On this day, a new law entered into force which abolished this status, and Olesko became a rural settlement.[5]