Sianky (Ukrainian: Сянки; Polish: Sianki) is a village in Sambir Raion, Lviv Oblast, Ukraine on the San River. It is located a few kilometers from the border with Poland, in the south-eastern part of Bieszczady. Sianky belongs to , one of the hromadas of Ukraine. Until 18 July 2020, Sianky belonged to Turka 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 Turka Raion was merged into Sambir Raion.