Obersee (German, 'Upper Lake') may refer to:
Lake Ober-See, a meltwater lake in the Gruber Mountains, Antarctica Obersee (Arosa), a lake in the resort town of Arosa, Grisons, Switzerland Obersee (Glarus), a mountain lake in the canton of Glarus, Switzerland Obersee (Königssee), a mountain lake in southeastern Bavaria Obersee (Lake Constance), the larger of the two parts of Lake Constance Obersee (Lake Zurich), a section of Lake Zurich, Switzerland Obersee (Rur), a reservoir in the Eifel mountains, Germany Obersee Nachrichten, a former newspaper published in the area of Obersee (Lake Zurich) Obersee, a previous name for the Egerner cove of the Tegernsee (lake) in Bavaria Obersee, an informal name for the upper part of the Weitsee lake in Bavaria
See also Oberaarsee Oberseen Übersee Untersee (disambiguation)