Junko Onishi (swimmer)

Junko Onishi

Personal information
Born	1974
Medal record Women's swimming Representing  Japan Olympic Games 2000 Sydney[1] 4x100 m medley relay World Championships (LC) 2001 Fukuoka 100 m butterfly Summer Universiade 1997 Catania 100 m butterfly

Junko Onishi (大西 順子, Onishi Junko; born October 18, 1974 in Hyōgo) is a former butterfly swimmer from Japan, who won the bronze medal in the 4 × 100 m medley relay at the 2000 Summer Olympics in Sydney, Australia. Her winning teammates in that race were Mai Nakamura, Masami Tanaka, and Sumika Minamoto.