As coach Koichi Sekikawa (関川 浩一, Sekikawa Kōichi, born April 1, 1969) is a Japanese former Nippon Professional Baseball Catcher, Outfielder, and current the field player coordinator for the Fukuoka SoftBank Hawks of Nippon Professional Baseball (NPB).

[2] Sekikawa played 17seasons, appearing in 1,408 games and a batting average of .286, a 1,129 hits, a 24 home runs, a RBI of 324, a 91 stolen bases, and a 101 sacrifice bunts.

[2] After his retirement, Sekikawa was appointed as the first squad assistant hitting coach of the Tohoku Rakuten Golden Eagles since 2007 season.

[8] Sekikawa again served as the outfield defense and base running coach for the Tohoku Rakuten Golden Eagles in the 2011 season.

[8][9] On November 9, 2015, Sekikawa was appointed as the first squad field player general itinerant coach of the Fukuoka SoftBank Hawks.