Kitazawa was capped 58 times and scored 3 goals for the Japanese national team between 1991 and 1999. He made his international debut on 2 June 1991 in a friendly against Thailand in Yamagata Park Stadium, under national coach Kenzo Yokoyama. He was a member of the Japan team for the 1992 Asian Cup that Japan won. He scored his first international goal on 6 November 1992 in the semifinal against China at Hiroshima Stadium.