Gerhard Pfeiffer (June 14, 1923 – June 27, 2000) was a German chess master and chess problemist.
He tied for 5-7th at Bad Oeynhausen 1941 (8th German Chess Championship, Paul Felix Schmidt and Klaus Junge won);[1] shared 1st with Lothar Schmid at Wiessenfels 1947 (Soviet Zone-ch); shared 10th at Bad Pyrmont 1949 (West Germany-ch, Efim Bogoljubow won);[2] took 2nd, behind Rudolf Teschner, at Düsseldorf 1951 (GER-ch); and took 5th at Sofia 1957 (zonal, Miroslav Filip won).[3]
Pfeiffer won six times for West Germany in Chess Olympiads (1950-1960), and won two bronze medals (team and individual) in the 9th Chess Olympiad at Dubrovnik 1950.[4]
He was awarded the International Master title in 1957.