Ikuko Nishikoori

is a retired Japanese pole vaulter.

She won the bronze medal at the 2005 East Asian Games, finished fifth at the 2005 Asian Championships, won the gold medal at the 2006 Asian Indoor Championships, the bronze medal at the 2006 Asian Games and the gold medal at the 2008 Asian Indoor Championships.

Her personal best jump is 4.36 metres, achieved in April 2006 in Hiroshima. Indoors she has 4.31 metres, achieved in February 2006 in Yokohama. These are both former national records.

International competition