Margarethe is a feminine given name, related to Margaret. People bearing the name include:
Archduchess Margarethe Klementine of Austria (1870–1955), Archduchess of Austria and Princess of Bohemia, Hungary and Tuscany Margarethe Arndt-Ober (1885–1971), German operatic contralto Margarethe Cammermeyer (born 1942), Washington National Guard colonel honorably discharged for disclosing she was a lesbian Maria Margarethe Danzi (1768–1800), German composer and soprano Margarethe Düren (1904–1988), German operatic soprano Margarethe Hardegger (1882–1963), Swiss women's rights activist and trade unionist Margarethe Lachmund (1896–1985), German resistance fighter Margarethe von Oven (1904–1991), German accomplice in the 20 July plot to assassinate Hitler Margarethe von der Saale (1522–1566), German morganatic spouse by bigamy to Philip I, Landgrave of Hesse Margarethe Schreinemakers (born 1958), German television presenter, talk show host and journalist Margarethe Selenka (1860–1922), German zoologist, anthropologist, feminist and pacifist Margarethe Siems (1879–1952), German operatic soprano and voice teacher Margarethe Stockhausen (1803–1877), opera singer from Alsace Margarethe von Trotta (born 1942), German film director
See also Margrethe II (born 1940), Queen of Denmark