Yvonne Ruth Killmer (born Yvonne-Ruth Freyer: 12 September 1921 – 27 September 2014) was a successful East German journalist and party official. During the 1960s she served as head of the government press office. She later became editor in chief of "Freies Wort", a mass circulation party newspaper. Subsequently she became the first editor in chief at the women's magazine, "Für Dich". Her last big job, between 1968 and 1983, was as editor in chief with the East German bi-monthly fashion magazine, "Sibylle".