Włodzimierz Cimoszewicz (Polish pronunciation: [vwɔˈd͡ʑimjɛʂ t͡ɕimɔˈʂɛvit͡ʂ] ( listen), born 13 September 1950 in Warsaw, Poland) is a Polish politician.
Cimoszewicz was a member of the left-wing Democratic Left Alliance, the Prime Minister of Poland from 1996 to late 1997, the Foreign Minister of Poland in the governments of Leszek Miller (2001–2004) and Marek Belka (2004–2005), the speaker of the Sejm (lower chamber of the Polish parliament) from January to October 2005 and the leftist candidate in the Polish presidential election of 1990 (receiving 9 percent of the vote) and of 2005 (he withdrew before the elections and promised to abandon politics).
Along with Leszek Miller, he signed the Accession Treaty that paved way to Polish membership in the European Union.
Cimoszewicz returned to politics during the 2007 parliamentary election, when he won a Senate seat as an independent candidate. He kept his senator's seat until the end of term in 2015. Since 2015 Cimoszewicz is workstream leader for the Agency for the Modernisation of Ukraine (AMU), where he is responsible for combatting corruption.