Siedlce Voivodship (Polish: województwo siedleckie) was a unit of administrative division and local government in Poland in years 1975-1998, superseded by Masovian Voivodship and Lublin Voivodship.
Capital city: Siedlce
Major cities and towns: (population in 1995):
- Siedlce (74,100);
- Minsk Mazowiecki (35,000);
- Lukow (32,000).