Lieser may refer to: Clemens Freiherr von Schorlemer-Lieser (1856–1922), German politicianLieser, Germany, a village in Rhineland-Palatinate, GermanySchloss Lieser, a castle in the village of Lieser, GermanyLieser (river), a river of Rhineland-Palatinate, Germany, left tributary of the Moselle