The Silesian Voivodeship Sejmik (Polish: Sejmik Województwa Śląskiego) is the regional legislature of the Voivodeship of Silesia in Poland. It is a unicameral parliamentary body consisting of forty-five councillors elected for a five-year term. The current chairperson of the assembly is Jacek Jarco of PL2050.^[1]

The assembly elects the executive board that acts as the collective executive for the regional government, headed by the voivodeship marshal. The current Executive Board of Silesia is a coalition government between Civic Coalition, Third Way and The Left with Wojciech Saługa of Civic Coalition presiding as marshal.

The Silesian Assembly convenes within the Silesian Parliament building in Katowice.

Members of the assembly are elected from seven districts, serve five-year terms. Districts does not have the constituencies formal names. Instead, each constituency has a number and territorial description.

• Polish Regional Assembly
• Silesian Voivodeship