Thage Edvin Gerhard Peterson (born 24 September 1933) is a Swedish politician (Social Democrat).

[2] Peterson worked as a municipal accountant from 1957 to 1958 and at the National Organization of People's Hall Societies (Folkets Husföreningarnas Riksorganisation) from 1958 to 1964.

He worked as national secretary and vice chairman of the Swedish Social Democratic Youth League from 1964 to 1967, as head of the People's Hall and CEO of the National Organization of People's Hall Societies from 1967 to 1971.

[2] Peterson was a member of the War Delegation from 1982 to 1998 and of the Advisory Council on Foreign Affairs from 1988 to 1997.

He was vice chairman of the National Swedish Touring Theatre from 1967 to 1972, municipal council in Nacka from 1967 to 1974, chairman in government inquiries, board member of A-Pressen [sv] from 1973 to 1975, member of the executive committee of the Swedish Social Democratic Party board from 1975 to 1990, chairman of Stockholm County social democratic party district from 1974 to 1989, member of the Riksdag from 1971 to 1998, Board of Governors of the Sveriges Riksbank from 1976 to 1982, and a member of the Nordic Council from 1976 to 1982.