Edna Freda Indermaur (December 21, 1892 – January 10, 1985) was an American contralto singer.

Throughout her career, Indermaur performed in recitals around New York, at Winthrop University in South Carolina, and with the Minneapolis Symphony Orchestra in Minnesota.

Indermaur was of Swiss descent and a member of the In der Maur family.

Indermaur made her musical debut at the Aeolian Hall in New York City in 1922.

[8] She married Ernest Eugene Zirkle, a member of the United States Army Hospital Corps, on May 24, 1926 in New York City.