Podlaskie Voivodeship Sejmik
The Podlaskie Voivodeship Sejmik is the regional legislature of the Voivodeship of Podlaskie. It is a unicameral parliamentary body consisting of thirty councillors elected to a five-year term. The current chairperson of the assembly is Cezary Cieślukowski.
The assembly elects the executive board that acts as the collective executive for the regional government, headed by the province's marshal. The current Executive Board of Podlaskie is held by the coalition government of Civic Coalition and Third Way and supported by two PiS members with Łukasz Prokorym, KO presiding as marshal.
The Regional Assembly meets in the Marshal's Office in Białystok.
Districts
Members of the Assembly are elected from five districts, serve five-year terms. The districts do not have formal names, instead each constituency has a number and territorial description.| Number | Seats | City counties | Land counties |
| 1 | 7 | Białystok | None |
| 2 | 5 | Suwałki | Augustów, Sejny, Suwałki |
| 3 | 5 | Łomża | Grajewo, Kolno, Łomża |
| 4 | 5 | None | Bielsk, Siemiatycze, Wysokie Mazowieckie, Zambrów |
| 5 | 8 | None | Białystok, Hajnówka, Mońki, Sokółka |