Johannisberg may refer to places:

Austria
Johannisberg (High Tauern), a mountain in the Austrian High Tauern

Germany
Johannisberg (Geisenheim), part of Geisenheim in Rheingau-Taunus-Kreis in Hesse 
Schloss Johannisberg, a winery
Johannisberg, a part of Oberviechtach in Landkreis Schwandorf in Bavaria
Johannisberg, a part of Penzberg in Landkreis Weilheim-Schongau in Bavaria
Johannisberg, a village in the municipality of Windhagen in Rhineland-Palatinate
Johannisberg, a village in the municipality of Gammelby in Kreis Rendsburg-Eckernförde in Schleswig-Holstein

See also
Silvaner, a variety of wine called Johannisberger in Switzerland
Johannesburg (disambiguation)
Johannesberg (disambiguation)
Johannisburg (disambiguation)