Ujście is a town in Greater Poland Voivodeship, west-central Poland.
Ujście (which means "(river) mouth" or "confluence" in Polish) may also refer to the following places: Ujście, Lublin Voivodeship (east Poland) Ujście, Braniewo County in Warmian-Masurian Voivodeship (north Poland) Ujście, Elbląg County in Warmian-Masurian Voivodeship (north Poland)
See also Ujście Warty National Park, a protected area near the confluence of the Warta and Oder Ujście Warty Landscape Park, a similar but wider-ranging area