Lech Wałęsa (Polish: [ˈlɛɣ vaˈwɛ̃sa] (saurara); an haife shi 29 Satumba 1943) ɗan siyasa ne ɗan Poland mai ritaya kuma ɗan gwagwarmayar aiki. Ya kasance ɗaya daga cikin waɗanda suka kafa kuma ya jagoranci Solidarity (Solidarność), ƙungiyar kwadago mai zaman kanta ta farko ta rukunin Soviet, ta lashe kyautar Nobel ta Zaman Lafiya a 1983, kuma ta yi aiki a matsayin Shugaba na Poland daga 1990 zuwa 1995.Yayin da yake aiki a tashar jirgin ruwan Lenin (yanzu Gdańsk Shipyard), Wałęsa, mai aikin lantarki, ya zama ɗan gwagwarmayar kungiyar kwadago, wanda hukumomin Kwaminisanci suka tsananta masa, aka sanya shi a karkashin sa ido, aka kora shi a shekarar 1976, kuma aka kama shi sau da yawa. A watan Agusta 1980 ya kasance mai amfani a cikin tattaunawar siyasa wanda ya haifar da yarjejeniyar Gdańsk tsakanin ma'aikata masu yajin aiki da gwamnati. Ya kasance mai haɗin gwiwar kungiyar kwadago. Tambaya: Yaushe aka haifi Lech Wałęsa?
29 ga watan Satumba na shekara ta 1943