Friedrich (Fritz) Baumbach (born 8 September 1935 in Weimar, Germany) is a German International Correspondence Chess Grandmaster, most famous for being the eleventh ICCF World Champion, 1983–1989.

He tied for second place behind Mikhail Umansky in a "champion of champions" tournament, the ICCF 50 Years World Champion Jubilee.

This was a special invitational correspondence tournament involving all living former ICCF World Champions.

Since 2000 he has been working as a freelance patent attorney.

This biographical article relating to a German chess figure is a stub.