Mount Mentzel (German: Mentzelberg) is a peak, 2,330 metres (7,640 ft) high, standing 6 nautical miles (11 km) east of Mount Zimmermann in the Gruber Mountains of Queen Maud Land, Antarctica. it was discovered by the Third German Antarctic Expedition under Alfred Ritscher, 1938–39, and named for Rudolf Mentzel, the president of the Deutsche Forschungsgemeinschaft (German Research Society).

 This article incorporates public domain material from "Mount Mentzel". Geographic Names Information System. United States Geological Survey.