Peter Seisenbacher (born March 25, 1960 in Vienna) is one of the most successful Judo practitioners ever. He won his first Olympic gold medal in the Men's Middleweight (86 kg) at the Summer Olympics 1984 in Los Angeles and four years later (Summer Olympics 1988 in Seoul) he won his second Olympic gold medal, something no other judoka had ever succeeded before. He also won the 85 World Championships (86kg), in Seoul, Korea; and the 86 European Championships (86kg) in Belgrade, Yugoslavia. He also won 3 silver medals and 4 bronze medals at european championships, as well as 6 military world championships.