| Nariyasu Yasuhara 安原 成泰 | |
| Fullname: | Nariyasu Yasuhara |
| Birth Date: | 9 August 1968 |
| Birth Place: | Aichi, Japan |
| Position: | Midfielder |
| Youthyears1: | 1984–1986 |
| Youthclubs1: | Chukyo University Chukyo High School |
| Youthyears2: | 1987–1990 |
| Youthclubs2: | Osaka University of Commerce |
| Years1: | 1991–1994 |
| Clubs1: | Nagoya Grampus Eight |
| Caps1: | 4 |
| Goals1: | 0 |
| Years2: | 1995 |
| Clubs2: | River Plate Montevideo |
| Years3: | 1996–1999 |
| Clubs3: | Honda |
| Caps3: | 15 |
| Goals3: | 0 |
| Manageryears1: | 2006–2007 |
| Managerclubs1: | FC Kariya |
is a former Japanese football player and manager.
Yasuhara was born in Aichi Prefecture on August 9, 1968. After graduating from Osaka University of Commerce, he joined his local club Toyota Motors (later Nagoya Grampus Eight) in 1991. Although he debuted in 1993, he could hardly play in the match. In 1995, he moved to Uruguay and joined River Plate Montevideo. In 1996, he returned to Japan and joined Japan Football League club Honda. Although the club won the champions in 1996, he could hardly play in the match. He could not play at all in the match from 1998 and retired end of 1999 season.
After retirement, Yasuhara started coaching career at Honda in 2000. In 2004, he became a manager for Tokai Gakuen University and managed until 2011. In 2006, he also became a manager Japan Football League club FC Kariya. However he was sacked in June 2007.
| Club performance | League | Cup | League Cup | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Club | League | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | |
| Japan | League | Emperor's Cup | J.League Cup | Total | |||||||
| 1991/92 | Toyota Motors | JSL Division 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1992 | Nagoya Grampus Eight | J1 League | colspan="2" | - | 0 | 0 | 0 | 0 | |||
| 1993 | 3 | 0 | 0 | 0 | 2 | 0 | 5 | 0 | |||
| 1994 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |||
| 1996 | Honda | Football League | 7 | 0 | 3 | 1 | colspan="2" | - | 10 | 1 | |
| 1997 | 8 | 0 | 0 | 0 | colspan="2" | - | 8 | 0 | |||
| 1998 | 0 | 0 | 0 | 0 | colspan="2" | - | 0 | 0 | |||
| 1999 | Football League | 0 | 0 | 0 | 0 | colspan="2" | - | 0 | 0 | ||
| Total | 19 | 0 | 3 | 1 | 2 | 0 | 24 | 1 | |||