Siedlęcin ([ɕɛdˈlɛnt͡ɕin]) (German: Boberröhrsdorf) is a village in the administrative district of Gmina Jeżów Sudecki, within Karkonosze County, Lower Silesian Voivodeship, in south-western Poland.

The river Bóbr runs through the lower part of the village.

The area became part of the emerging Polish state in the 10th century.

The village was first mentioned in 1305, when it was part of fragmented Piast-ruled Poland.

The Perła Zachodu mountain hut of the Polish Tourist and Sightseeing Society is located in Siedlęcin.