Klaus Steinbach (born 14 December 1953[1] in Kleve, North Rhine-Westphalia) is a former world record holder and Olympic freestyle swimmer from Germany.

At the 1972 Games, he was a member of West Germany's silver medal–winning 4×200 m freestyle relay.

At the 1976 Games, he was part of West Germany's bronze medal–winning 4×100 m medley relay.

Steinbach was the first man under 50 seconds on 100 m freestyle in a short course meters pool.

This biographical article related to a German swimmer is a stub.