As coach Hayato Terahara (寺原 隼人, Terahara Hayato, born October 9, 1983) is a Japanese former professional baseball pitcher, and current the second squad pitching coach for the Fukuoka SoftBank Hawks of Nippon Professional Baseball (NPB).

[1] He previously played for the Fukuoka Daiei Hawks/Fukuoka SoftBank Hawks, Yokohama BayStars, Orix Buffaloes and Tokyo Yakult Swallows.

[2] He pitched 18 games in the 2003 season, posting a record of 7 wins and 5 losses, but his performance gradually declined.

On December 6, 2010, Terahara and Kazuya Takamiya was traded to the Orix Buffaloes exchange to Shogo Yamamoto and Go Kida.

[11] After returning to the Hawks for six seasons, he was plagued by frequent injuries, including surgery on his right knee, but pitched in 101 games, a 16–17 Win–loss record, a 9 holds, a 186 strikeouts in 286.1 innings.

[14] Terahara pitched in 303 games in 18 seasons overall, compiling with a 73–81 win–loss record, a 12 holds, a 23 saves, and a 3.88 ERA.