A Sister of Six (German title: Die sieben Töchter der Frau Gyurkovics, Swedish title: Flickorna Gyurkovics) is a 1926 silent romantic comedy film directed by Ragnar Hyltén-Cavallius and starring Willy Fritsch, Betty Balfour and Lydia Potechina. It was a co-production between Germany, Sweden and the United Kingdom. It was shot at the Tempelhof Studios in Berlin. The film's sets were designed by the Swedish art director Vilhelm Bryde.