Marianne Adam (born 19 September 1951 in Luckenwalde) is a retired shot putter who competed for East Germany in the 1970s. She was a member of SC Dynamo Berlin. She won the bronze medal at the 1974 European Championships in Athletics, and at the European Indoor Championships she won one gold medal (1975), one silver medal (1979) and two bronze medals (1972, 1974).

Her personal best throw was 21.86 metres, which puts her sixth in the all-time performers list.