Lower Silesian Voivodeship, or Lower Silesia Province (in Polish, województwo dolnośląskie ; ; ), is one of the 16 voivodeships (provinces) into which Poland is currently divided. It lies in southwestern Poland. Its capital and largest city is Wrocław, situated on the Odra (Oder) river. The voivodeship is famous for its large number of castles and palaces. It is one of the voivodeships in Poland that is most visited by tourists.
The voivodeship was created on 1 January 1999 out of the former Wrocław, Legnica, Wałbrzych and Jelenia Góra Voivodeships, following the Polish local government reforms adopted in 1998. It covers an area of , and as of 2013 has a total population of 2 914 362.
Although much of the region is relatively low-lying it also includes Sudeten Foreland and part of the Sudetes mountain range running along the Polish/Czech border. Popular ski resorts in Lower Silesian Voivodeship include Karpacz and Szklarska Poręba in the Karkonosze mountains. Other important tourist destinations in the voivodeship include the chief city, Wrocław, as well as the towns of Jelenia Góra and Legnica. The town of Boleslawiec is famed for its pottery.
The voivodeship has the largest number of spa towns in Poland: Cieplice Śląskie-Zdrój, Czerniawa-Zdrój, Długopole-Zdrój, Duszniki-Zdrój, Jedlina-Zdrój, Kudowa-Zdrój, Lądek-Zdrój, Polanica-Zdrój, Przerzeczyn-Zdrój, Szczawno-Zdrój, Świeradów-Zdrój.
Lower Silesian Voivodeship is bordered by Lubusz Voivodeship to the north-west, Greater Poland Voivodeship to the north-east, Opole Voivodeship to the south-east, the Czech Republic to the south, and Germany (the State of Saxony) to the west.