Koji Mitsui (三井 浩二, Mitsui Kōji, born September 15, 1973) is a Japanese retired professional baseball pitcher. He played in Nippon Professional Baseball for the Seibu / Saitama Seibu Lions from 2001 through 2009.
كوجي ميتسوي (باليابانية: 三井浩二؛ بالكانا: みつい こうじ) هو لاعب كرة قاعدة ياباني، ولد في 15 سبتمبر 1973 في في اليابان. (ar)
Koji Mitsui (三井 浩二, Mitsui Kōji, born September 15, 1973) is a Japanese retired professional baseball pitcher. He played in Nippon Professional Baseball for the Seibu / Saitama Seibu Lions from 2001 through 2009. (en)