Sejm Constituency no. 10

Piotrków Trybunalski, officially known as Constituency no. 10 (Polish: Okręg wyborczy nr 10), is one of the 41 constituencies of the Sejm, the lower house of the Parliament of Poland, the national legislature of Poland. The constituency was established in 2001, after a major redistricting process across Poland. It is located in the Łódź Voivodeship and includes the area of two city counties: Piotrków Trybunalski and Skierniewice, as well as the counties of Bełchatów, Opoczno, Piotrków, Radomsko, Rawa Mazowiecka, Skierniewice and Tomaszów Mazowiecki.

The constituency currently elects 9 of the 460 members of the Sejm using the open party-list proportional representation electoral system. At the 2023 parliamentary election it had 540,069 citizens eligible to vote.