Koji Ito (?? ??, Ito Koji, born 29 January 1970 in Kobe) is a retired Japanese track and field sprinter and Japan's fourth-fastest record holder of 100m sprint with a time of 10.00 seconds.
He held the 100 metres Japanese national record between December 1998 and September 2017.
He is a former Asian record holder in the 100 metres and 200 metres, and still holds the indoor record as well as the 4×400 metres relay record.
He is married to former long-distance runner Hiromi Suzuki.