Iberg may refer to: Iberg (Allgäu Alps), a mountain in Germany Iberg (Harz), a hill in Germany Iberg (Upland), a mountain in Germany Iberg (Winterthur), a quarter in the Seen district of Winterthur, Switzerland Iberg Castle, St. Gallen, Switzerland Iberg Castle, Aargau, Switzerland Helge Iberg (born 1954), Norwegian contemporary composer See also Yberg, a mountain of Baden-Württemberg, Germany Bad Iburg, a town in Lower Saxony, Germany