Frauenherz ('A Woman's Heart') op. 166 is a polka-mazurka composed by Josef Strauss in 1864 (1865?).
It was premiered at the Volksgarten, Vienna on September 6, 1864 (1865?). Waltz Dorfschwalben aus ÃÂsterreich was also premiered at the same time. Frauenherz and Dorfschwalben aus ÃÂsterreich were played during Josef Strauss's memorial ceremony under the direction of his brother.