| Season: | 2009 |
| Chrtitle: | Chairman |
| League Result: | 5th |
| Cup1 Result: | Round of 16 |
| Cup2 Result: | 3rd |
| League Topscorer: | Dejan (14) |
| Season Topscorer: | Dejan (19) |
| Highest Attendance: | 36,764 vs Jeonbuk (League, 12 September) |
| Lowest Attendance: | 1,315 vs Gimhae (FA Cup, 13 May) |
| Average Attendance: | 16,535 |
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| Nextseason: | 2010 |
See main article: 2009 K-League.
See main article: 2009 K League Championship.
See main article: 2009 Korean FA Cup.
See main article: 2009 Korean League Cup.
See main article: 2009 AFC Champions League.
See main article: 2009 AFC Champions League knockout stage.
Fixtures and Results at FC Seoul Official Website
| K League | League Cup | FA Cup | AFC Champions League | Total | Notes | |
|---|---|---|---|---|---|---|
| 1 |  Dejan (14) |  Lee Seung-Yeoul (2) | Jung Jo-Gook (1) Kim Chi-Gon (1) Lee Sang-Hup (1) | Dejan (5) | Dejan (19) | |
| 2 | Jung Jo-Gook (7) |  Anderson (1) | N/A | Jung Jo-Gook (4) | Jung Jo-Gook (12) | |
| 3 | Lee Seung-Yeoul (5) | Ki Sung-Yueng (1) Adi (1) | N/A | Kim Chi-Woo (2) Sim Woo-Yeon (2) | Lee Seung-Yeoul (7) | |
| 4 | Anderson (3) | N/A | No scorer | N/A | Ki Sung-Yueng (5) | |
| 5 | Lee Chung-Yong (3) | No scorer | Kim Seung-Yong (1) Lee Sang-Hup (1) Park Yong-Ho (1) Kim Han-Yoon (1) Ki Sung-Yueng (1) | Anderson (4) | ||
| K League | League Cup | Total | Notes | ||
|---|---|---|---|---|---|
| 1 | Ki Sung-Yueng (9) | Kim Chi-Woo (1) | Ki Sung-Yueng (10) | ||
| 2 | Lee Chung-Yong (4) | Kim Seung-Yong (1) Lee Seung-Yeoul (1) | Lee Chung-Yong (4) | ||
| 3 | Kim Chi-Woo (3) | N/A | Kim Chi-Woo (4) | ||
| 4 | Kim Seung-Yong (3) | Ki Sung-Yueng (1) | Kim Seung-Yong (4) | ||
| 5 | Kim Jin-kyu (3) | No assistor | Kim Jin-kyu (3) |
| Position | Name | Notes |
|---|---|---|
| Manager | Şenol Güneş | |
| Assistant manager | Lee Young-jin | |
| First-team coach | Seref Çiçek | |
| Choi Yong-Soo | ||
| Reserve Team Manager | Kim Sung-Nam | |
| Reserve Team Coach | Kim Yong-Kab | |
| Goalkeeping coach | Yasin Özdenak | |
| Fitness coach | Unknown | |
| U-18 Team Manager | Choi Jin-Han | |
| U-18 Team Coach | Lee Young-Ik | |
| Lee Won-Jun | ||
| Technical director & Chief Scout | Choi Gi-Bong | |
All players registered for the 2009 season are listed.
(Out) (Out) (In) (In)(Out)(In)(Discharged)
This section shows the most used players for each position considering a 4-4-2 formation.