Austria competed at the 1976 Summer Olympics in Montreal, Quebec, Canada. 60 competitors, 54 men and 6 women, took part in 44 events in 15 sports.
Tambach-Dietharz is a town in the district of Gotha, in Thuringia, Germany. It is situated in the Thuringian Forest, 19 km south of Gotha.
Karl-Heinz Krüger is a retired boxer who represented East Germany at the 1980 Summer Olympics in Moscow, Soviet Union. There he won the bronze medal in the welterweight division, after being defeated in the semifinals by eventual gold medalist Andrés Aldama of Cuba. Two years earlier he also captured the bronze, at the second World Championships in Belgrade.
Karl-Hans Riehm is a former West German hammer thrower.
Heinz Ulzheimer was a West German track and field athlete, who mainly competed in the 800 metres. He was born in Höchst. He competed in the 800 metres for Germany at the 1952 Summer Olympics held in Helsinki, Finland, where he won the bronze medal. He then assisted the German team in the 4 x 400 metre relay where he won the bronze medal with his team mates Hans Geister, Günther Steines and Karl-Friedrich Haas. He died at the age of 90 in 2016.
Karl-Heinz Bußert is a German rower who competed for East Germany in the 1976 Summer Olympics.
Karl-Heinz Hopp was a German rower who competed for the United Team of Germany in the 1960 Summer Olympics.
Karl Heinz Renneberg was a West German rower who competed in the 1952 and 1960 Summer Olympics. He was born in Gelsenkirchen. In 1952 he and his partner Heinz Eichholz were eliminated in the first round repêchage of the Coxless pair event. Eight years later was a crew member of the boat starting for the United Team of Germany that won the gold medal in the coxed pair competition.
Karl-Heinz Prudöhl is a German rower who competed for East Germany in the 1976 Summer Olympics.
Karl-Heinz Danielowski is a retired German coxswain. He competed for the United Team of Germany at the 1964 Summer Olympics and for East Germany at the 1968 and 1976 Summer Olympics. In 1964 and 1968 he finished in seventh place in the coxed pairs and eights, respectively, whereas in 1976 he won a gold medal in the eight.
Karl-Heinz Radschinsky is a retired German weightlifter. He won the gold medal in the middleweight class at the 1984 Summer Olympics in Los Angeles.
Karl-Heinz Müller is an Austrian fencer. He competed in the individual and team épée events at the 1972 and 1976 Summer Olympics.
Karl-Heinz Thun was a German sailor. He won a silver medal in the Dragon class together with Paul Borowski and Konrad Weichert at the 1972 Summer Olympics.
Karl-Heinz Helbing is a German former wrestler who competed in the 1976 Summer Olympics and in the 1984 Summer Olympics.
Karl-Heinz Lehmann is a German former judoka who competed in the 1980 Summer Olympics.
Karl-Heinz Henrichs was a German racing cyclist. Together with his teammates he won the gold medal in the team pursuit at the 1964 Summer Olympics in Tokyo and the silver medal at the 1968 Summer Olympics in Mexico City.
Karl Heinz Kramer was a German sports shooter. He competed in the trap shooting at the 1960 Summer Olympics.
Karl-Heinz Sievers is a German former long-distance runner. He competed in the marathon at the 1968 Summer Olympics representing West Germany.
Karl-Heinz Egger is a German ice hockey player. He competed in the men's tournament at the 1972 Winter Olympics.
Karl-Heinz Munk is a German ski jumper. He competed in the normal hill and large hill events at the 1964 Winter Olympics.
East Germany 
