Margarethe Arndt Ober
- Category : 1885-births
- Type : MGP
- Profile : 6/2 - Role Model / Hermit
- Definition : Split - Small (3,50,53,57)
- Incarnation Cross : LAX Limitation 1
German opera singer who had an active international career during the first half of the twentieth century. A highly skilled contralto, Ober enjoyed a particularly long and fruitful association with the Berlin State Opera from 1907 to 1944. She also was notably a principal singer at the Metropolitan Opera in New York City between 1913 and 1917. Her voice is preserved on a number of recordings made on the HMV, Odeon, Parlophon, Pathé, and Victor labels. She died in Bad Sachs on 17 March 1971, aged 85.