Hiroki Kokubo (小久保 裕紀, Kokubo Hiroki, born October 8, 1971) is a Japanese former professional baseball infielder, and current the second squad manager for the Fukuoka SoftBank Hawks of Nippon Professional Baseball (NPB). He previously played for the Fukuoka Daiei Hawks, Fukuoka SoftBank Hawks, the Yomiuri Giants, and had 2,000 hits.