Sonnenberg may refer to:

Places

• Sonnenberg, a municipality in the Oberhavel district, in Brandenburg, Germany.
• Sonnenberg-Winnenberg, a municipality in the district of Birkenfeld, in Rhineland-Palatinate, Germany
• Wiesbaden-Sonnenberg, a borough of Wiesbaden, the capital of the state of Hesse, Germany
• Sonnenberg (Winterthur), a quarter in the district 3 of Winterthur, Switzerland
• Sonnenberg (Harz), a ski resort in the Upper Harz in Lower Saxony, Germany
• Výsluní (Sonnenberg), a town in Chomutov District, Czech Republic
• The Sonnenberg Tunnel, a motorway tunnel near Lucerne, Switzerland
• Sonnenberg Gardens and Mansion State Historic Park, in Canandaigua, New York

Mountains and hills

• Sonnenberg (Kriens), hill near the city of Lucerne in Switzerland
• Sonnenberg (Leitha), highest peak in the Leitha Mountains, Burgenland, Austria
• Sonnenberg (Eifel), hill in the Eifel mountains of Germany
• Sonnenberg, also called the Sonnenspitze, a mountain in the Ammergau Alps of Bavaria, Germany

People with the surname

• Ben Sonnenberg (1936-2010), publisher of Grand Street magazine
• Gus Sonnenberg, an American football player, wrestler, and a World War I veteran
• Jerry Sonnenberg, a legislator in the U.S. state of Colorado
• Martin Sonnenberg, a Canadian professional ice hockey player
• Max Liebermann von Sonnenberg (1848-1911), a German officer who became noted as an anti-Semitic politician
• Nadja Salerno-Sonnenberg, an Italian-American classical violinist