| Club: | Sanfrecce Hiroshima |
| Season: | 2015 |
| League: | J1 League |
| League Result: | Winners |
| Cup1: | Emperor's Cup |
| Cup1 Result: | Semi-finals |
| Cup2: | J.League Cup |
| Cup2 Result: | Group stage |
| Cup3: | FIFA Club World Cup |
| Cup3 Result: | Third place |
| League Topscorer: | Douglas (21) |
| Season Topscorer: | Douglas (24) |
| Largest Win: | 8–0 v |
| Largest Loss: | 0–3 v Kashiwa Reysol 3–0 v Gamba Osaka |
| Highest Attendance: | |
| Lowest Attendance: | |
| Pattern B1: | _sanfrecce15h |
| Leftarm1: | 8000FF |
| Body1: | 8000FF |
| Rightarm1: | 8000FF |
| Shorts1: | 8000FF |
| Socks1: | 8000FF |
| Pattern B2: | _sanfrecce15a |
| Leftarm2: | ffffff |
| Body2: | ffffff |
| Rightarm2: | ffffff |
| Shorts2: | ffffff |
| Socks2: | ffffff |
| Prevseason: | 2014 |
| Nextseason: | 2016 |
The 2015 season was Sanfrecce Hiroshima's seventh consecutive season in J.League Division 1, and 45th overall in the Japanese top flight. Sanfrecce Hiroshima also competed in the Emperor's Cup, J.League Cup, and the FIFA Club World Cup. The club secured its third J1 League title after beating Gamba Osaka on aggregate on 5 December 2015.
| Position | Nationality | Name | From | Notes | ||
|---|---|---|---|---|---|---|
| Sho Sasaki | Ventforet Kofu | |||||
| Yasumasa Kawasaki | Ryutsu Keizai University FC | |||||
| Douglas | Tokushima Vortis | Loan | ||||
| Kohei Kudo | Kyoto Sanga FC | |||||
| Ryotaro Hironaga | FC Tokyo | |||||
| Lee Dae-heon | V-Varen Nagasaki | Loan return | ||||
| Hironori Ishikawa | Vegalta Sendai | Loan return | ||||
| Kim Jung-suk | Roasso Kumamoto | Loan return | ||||
| Sena Inami | V-Varen Nagasaki | Loan return |
| Position | Nationality | Name | To | Notes | ||
|---|---|---|---|---|---|---|
| Yojiro Takahagi | Western Sydney Wanderers | |||||
| Naoki Ishihara | Urawa Red Diamonds | |||||
| Naoki Otani | Roasso Kumamoto | Loan | ||||
| Yutaro Hara | Roasso Kumamoto | |||||
| Kohei Kudo | Matsumoto Yamaga FC | |||||
| Hwang Seok-ho | Kashima Antlers | |||||
| Hayao Kawabe | Júbilo Iwata | Loan | ||||
| Lee Dae-heon | Tochigi SC | Loan | ||||
| Park Hyung-jin | Tochigi SC | Loan | ||||
| Hironori Ishikawa | Oita Trinita | Loan | ||||
| Kim Jung-suk | Renofa Yamaguchi | Loan | ||||
| Sena Inami | Unattached | Released |
Updated 7 March 2016
| Competition | Record | |||||||
|---|---|---|---|---|---|---|---|---|
| J1 League | ||||||||
| Emperor's Cup | ||||||||
| J.League Cup | ||||||||
| FIFA Club World Cup | ||||||||
TotalJ1 LeagueSee main article: 2015 J1 League. Championship stageEmperor's CupSee main article: 2015 Emperor's Cup. FIFA Club World CupSee main article: 2015 FIFA Club World Cup. External links | ||||||||