Koichiro Mitani

is a retired Japanese judoka.

Mitani is from Fukuyama, Hiroshima and began judo at the age of a first grader. He belonged to Japan Highway Public Corporation after graduation from Kinki University in 1991.

In 1993, he won a gold medal at the Asian Championships held in Macau and at the East Asian Games held in Shanghai. He also participated in the All-Japan Championships 9 times from 1990 to 2000.

After retirement, Mitani coached judo at Japan Highway Public Corporation and All-Japan Youth Team.

Achievements 1990 - All-Japan Championships (Openweight only) 3rd - All-Japan Selected Championships (+95 kg) 3rd - World University Championships (Openweight) 1st - All-Japan University Championships (+95 kg) 3rd 1991 - Pacific Rim Championships (Openweight) 1st 1992 - All-Japan Championships (Openweight only) 3rd - All-Japan Businessgroup Championships (+95 kg) 2nd 1993 - Asian Championships (+95 kg) 1st - East Asian Games (Openweight) 1st - Paris Super World Cup (Openweight) 1st 1994 - Kodokan Cup (+95 kg) 2nd 1995 - All-Japan Businessgroup Championships (+95 kg) 3rd 1996 - Jigoro Kano Cup (Openweight) 2nd - All-Japan Championships (Openweight only) 2nd 1999 - All-Japan Championships (Openweight only) 3rd