Mamoru Kuroiwa
Mamoru Kuroiwa (黒岩 守; born December 16, 1962) is a retired boxer from Japan, who twice competed for his native country at the Summer Olympics: 1984 and 1988. In the flyweight division (– 48 kg) he lost at the 1984 Summer Olympics in Los Angeles, California in the quarterfinals by Zambia's eventual bronze medalist Keith Mwila.