Theodora R. Troendle (October 19, 1893 – June 12, 1972)[1] was an American composer,[2] pianist,[3] and music educator who composed a piano concerto, then premiered it as the soloist with the Chicago Women's Symphony Orchestra in 1927.

She was raised in Minneapolis,[6] where Victor was president of the Troendle Wholesale Paper Company.

[7] Troendle studied with Adolf Weidig and Arne Oldberg at Northwestern University,[8] and with pianist Fannie Bloomfield-Zeisler,[9] working as her assistant from 1913 to 1920.

[1] An excellent pianist, Troendle did a trial recording for the Victor Talking Machine Company in 1922 which was never commercially released.

[15] She gave recitals[16] and toured as a pianist,[17] appearing as a soloist with the St. Louis,[18] Minneapolis,[6] Indianapolis,[9] Milwaukee,[18] and Chicago Women's Symphony orchestras.