Siri Andersson-Palmestav (17 December 1903 – 6 March 2002) was a Swedish writer and missionary.She was born in Gävle Parish, became a student, studying in Betelseminariet in Stockholm and in Örebro School of Theology.
She worked as missionary between 1928-1962 in Estonia, Poland and Germany.
Andersson described in her books a martyrdom of Christians in communist Russia.In 1957 she married Jakob Palmestav (1896–1981).