Senate Constituency no. 42

Senate Constituency no. 42 (Okręg wyborczy nr 42 do Senatu) is a single-member constituency for the Senate of Poland comprising five districts of the city of Warsaw: Praga-Południe, Praga-Północ, Rembertów, Targówek, Wesoła. Incumbent senator is Marek Borowski (Civic Platform) elected in 2023 parliamentary election. He has held the seat for four terms in a row since the constituency was established in 2011.