Wodzisław Śląski [vɔˈd͡ʑiswaf ˈɕlɔ̃ski] (German:Loslau, Latin:Vladislavia, Czech:Vladislav) is a town in Silesian Voivodeship, southern Poland with 50,493 inhabitants (2007). It is the seat of Wodzisław County.

It was previously in Katowice Voivodeship (1975–1998); close to the border with the Czech Republic, about 290 kilometres (180 miles) south of Warsaw and about 100 kilometres (62 miles) west of Kraków, on the southern outskirts of the metropolitan area known as the Upper Silesian Coal Basin (Polish:Górnośląskie Zagłębie Węglowe, GZW).