| Koichi Sugiyama 杉山 弘一 | |
| Fullname: | Koichi Sugiyama |
| Birth Date: | 27 October 1971 |
| Birth Place: | Takatsuki, Osaka, Japan |
| Height: | 1.76 m |
| Position: | Defender |
| Youthyears1: | 1987–1989 |
| Youthclubs1: | Takatsuki Minami High School |
| Youthyears2: | 1990–1993 |
| Youthclubs2: | Osaka University of Commerce |
| Years1: | 1994–1998 |
| Clubs1: | Urawa Reds |
| Caps1: | 106 |
| Goals1: | 1 |
| Years2: | 1999–2002 |
| Clubs2: | Tokyo Verdy |
| Caps2: | 63 |
| Goals2: | 1 |
| Years3: | 2003 |
| Clubs3: | Albirex Niigata |
| Caps3: | 6 |
| Goals3: | 0 |
| Totalcaps: | 175 |
| Totalgoals: | 2 |
| Manageryears1: | 2004–2009 |
| Managerclubs1: | Urawa Red Diamonds (Academy Coach) |
| Manageryears2: | 2010–2013 |
| Managerclubs2: | Albirex Niigata Singapore |
| Manageryears3: | 2014 |
| Managerclubs3: | Ayutthaya |
| Manageryears4: | 2015 |
| Managerclubs4: | Kashiwa Reysol (Assistant Manager) |
| Manageryears5: | 2016 |
| Managerclubs5: | BBCU |
| Manageryears6: | 2016 |
| Managerclubs6: | Chainat Hornbill |
| Manageryears7: | 2017–2018 |
| Managerclubs7: | Blaublitz Akita |
| Manageryears8: | 2019 |
| Managerclubs8: | Nara Club |
| Manageryears9: | 2021– |
| Managerclubs9: | Kyoto Sanga (Assistant Manager) |
is a former Japanese football player and manager. he is currently the assistant manager of J1 League club, Kyota Sanga.
Sugiyama was born in Takatsuki on October 27, 1971. After graduating from Osaka University of Commerce, he joined Urawa Red Diamonds in 1994. He became a regular player as a left back in the first season. However his opportunity to play decreased which he was dropped for Shinji Jojo from the 1997 season and he didn't get the to featured in all of the club matches in 1998.
In 1999, he moved to Verdy Kawasaki (later Tokyo Verdy). Sugiyama became a regular player in the club with many young players due to financial strain end of 1998 season. However his opportunity to play decreased from 2001.
In 2003, he moved to J2 League club Albirex Niigata. However he could hardly play in the match and he retired end of 2003 season.
Sugiyama was the academy coach of Urawa Red Diamonds from 2004 until 2009
Sugiyama moved to Singapore and was named as the head coach of Albirex Niigata Singapore from 2010 until 2013. During his time in Singapore, he won the S.League Coach Of The Year award in 2011, the same year he guided his team to win the Singapore League Cup and finalist of the Singapore Cup.
In August 2014, he moved to Thailand to signed with Thai Division 1 League club, Ayutthaya and managed the club until November.
In 2015, he returned to Japan and became the assistant manager under Tatsuma Yoshida at J1 League club, Kashiwa Reysol until the end of the season.
On 22 February 2016, he returned to Thailand and signed with 2016 Thai League T1 club, BBCU.
On 28 April 2016, he moved to Chainat Hornbill and managed the club until the end of the season.
In 2017, he returned to Japan and signed with J3 League club Blaublitz Akita.[1] In Sugiyama first year at the club, he guided them to win the 2017 J3 League title however due to the club not having a license to play in the upper-tier football, they were not promoted, becoming the first professional third-tier champion not to get promoted. The club results were bad in 2018 season and Sugiyama was sacked in July 2018.[2]
In 2019, he signed with Japan Football League club Nara Club.[3]
In 2021, Sugiyama joined J2 League side, Kyoto Sanga and become the assistant manager under Cho Kwi-jae. In his first season at the club, he sees them finishing second in the 2021 J2 League and saw the club promoted to the top tier of Japanese football, the 2022 J1 League.
| Club performance | League | Cup | League Cup | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Club | League | Apps | Goal | Apps | Goal | Apps | Goal | Apps | Goal | |
| Japan | League | Emperor's Cup | J.League Cup | Total | |||||||
| 1994 | Urawa Reds | J1 League | 31 | 0 | 3 | 0 | 1 | 0 | 35 | 0 | |
| 1995 | 44 | 1 | 1 | 0 | colspan="2" | - | 45 | 1 | |||
| 1996 | 23 | 0 | 3 | 0 | 9 | 0 | 35 | 0 | |||
| 1997 | 8 | 0 | 2 | 0 | 3 | 0 | 13 | 0 | |||
| 1998 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||
| 1999 | Verdy Kawasaki | J1 League | 26 | 1 | 4 | 0 | 4 | 0 | 34 | 1 | |
| 2000 | 25 | 0 | 0 | 0 | 5 | 0 | 30 | 0 | |||
| 2001 | Tokyo Verdy | J1 League | 11 | 0 | 3 | 0 | 0 | 0 | 14 | 0 | |
| 2002 | 1 | 0 | 0 | 0 | 3 | 0 | 4 | 0 | |||
| 2003 | Albirex Niigata | J2 League | 6 | 0 | 1 | 0 | colspan="2" | - | 7 | 0 | |
| Total | 175 | 2 | 17 | 0 | 25 | 0 | 217 | 2 | |||
| Season | club | League | Cup | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| rank | game | point | win | draw | lost | goal | goallost | League Cup | Singapore Cup | |||
| 2010 | Albirex Niigata Singapore | 7/12teams | 33 | 37 | 9 | 10 | 14 | 31 | 42 | first round | quarter final | |
| 2011 | 4/12teams | 33 | 65 | 20 | 5 | 8 | 80 | 34 | Champion | runners-up | ||
| 2012 | 3/13teams | 24 | 43 | 12 | 7 | 5 | 37 | 26 | quarter final | quarter final | ||
| 2013 | 3/12teams | 27 | 46 | 13 | 7 | 7 | 36 | 28 | semi final | first round | ||
| 2014 | AyuttayaFC(Thai 2) | 11→6 | 10 | 19 | 6 | 1 | 3 | 18 | 12 | 2014.8-2014.11 | ||
| 2016 | BBCU(Thai 1) | 18 | 3 | 7 | 1 | 0 | 6 | 11 | 19 | Feb→Apr | ||
| ChainatFC(Thai 1) | 17 | 6 | 8 | 1 | 3 | 4 | 9 | 14 | Apr→Jun | |||
| 2017 | Blaublitz Akita(J3) | Champion | 32 | 61 | 18 | 7 | 7 | 53 | 31 | first round | ||
| 2018 | 8/17teams | 16 | 21 | 6 | 3 | 7 | 15 | 54 | Jan→Jul | first round | ||
| 2019 | Nara Club (JFL) | 14 | 34 | 30 | 8 | 10 | 12 | 27 | 32 | |||
| total | 220 | 94 | 53 | 73 | 317 | 252 | - | 1st Round | ||||
Albirex Niigata Singapore
Blaublitz Akita