Gerd Achterberg (born 4 December 1940 in Berlin) is a former German football manager.Achterberg scored 131 goals in 327 games for Spandauer BC as a player and later went on to coach the team in two stints as manager. He also led Tennis Borussia Berlin to the 1984–85 Amateur-Oberliga Berlin championship and promotion to the 2. Fußball-Bundesliga, but was replaced by Eckhard Krautzun in the autumn of 1985 after winning only three out of the season's first 12 games.