Ada Feinberg-Sireni (Hebrew: עדה פיינברג-סירני; born 22 April 1930) is an Israeli former politician who served as a member of the Knesset for the Alignment between 1969 and 1974.

Born in Rome in Italy, Feinberg-Sireni made aliyah to Mandatory Palestine in 1934.

She was educated in Tel Aviv, and was a member of the Scouts training group established by the Palmach.

She was a member of the HaKibbutz HaMeuhad movement, and later co-ordinated the youth section of the United Kibbutz Movement.

She also worked as a teacher in the Anne Frank Regional School.