| 2015 season | |||
|---|---|---|---|
| Chairman | Huh Chang-soo | ||
| Manager | Choi Yong-soo | ||
| K League Classic | 4th | ||
| FA Cup | Winner | ||
| AFC Champions League | Round of 16 | ||
| Top goalscorer | League: Yun Ju-tae (9) All: Yun Ju-tae (13) | ||
| Highest home attendance | 39,328 vs Suwon (League, 27 June) | ||
| Lowest home attendance | 1,570 vs Gyeongju (FA Cup, 29 April) | ||
| Average home league attendance | 17,172 | ||
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The 2015 season is FC Seoul's 32nd season in the K League Classic