| Masao Amino | |
| Birth Date: | 7 October 1974 |
| Birth Place: | Yamanashi Prefecture, Japan |
| Height: | [1] |
| Weight: | 95kg (209lb) |
| School: | Hikawa High School, Yamanashi |
| University: | Kanto Gakuin University |
| Ru Position: | Hooker |
| Youthyears1: | 1993-1997 |
| Youthclubs1: | Kanto Gakuin University RFC |
| Years1: | 1997-2010 |
| Clubs1: | NEC Green Rockets |
| Superyears1: | |
| Repyears1: | 2000-2003 |
| Repteam1: | Japan |
| Repcaps1: | 10 |
| Reppoints1: | 0 |
| Ru Sevensnationalyears1: | |
| Coachyears1: | 2010-2016 |
| Coachteams1: | NEC Green Rockets |
(born in Yamanashi Prefecture, on 14 October 1974) is a Japanese former rugby union player and currently coach.
Amino first played rugby in 1993, for Kanto Gakuin University's rugby union team. In 1997 after his graduation, he would join NEC Green Rockets, playing for the club until the end of his career in 2010.[2]
Amino debuted for Japan during the test match against South Korea, on 2 July 2000, in Aomori. He was also part of the 2003 Rugby World Cup Japan squad, playing three matches in the tournament, with his last test cap being the pool stage match against United States in Gosford, on 27 October 2003.[3]
After his retirement from played rugby in 2010,[4] Amino would coach his former club NEC Green Rockets between 2010 and 2016.[5] [6] [7]