is a Japanese judoka who won a bronze medal at the 2012 Summer Olympics. He is competing for the Nippon Steel Corporation Judo Club.
Biography
Nishiyama was born in Shimonoseki, Yamaguchi Prefecture and graduated from the Kokushikan University in Tokyo. In the early 2000s he was competing in the 100 kg category but then moved to the 90 kg division.
Competitions
Nishiyama was defeated in the selection competitions for the 2012 London Olympics, but nevertheless was selected for the national team. In London, he was defeated in the quarter-finals, and won the bronze medal via repechage, against Kirill Denisov, by judges decision.