| Competition: | R League |
| Season: | 2009 |
| Dates: | 30 March – 22 October 2009 |
| Winners: | Group A: Incheon United Group B: Jeonbuk Hyundai Motors Group C: Pohang Steelers Championship: Incheon United |
| Best Player: | Kim Sun-woo[1] |
| League Topscorer: | Song Je-heon (8 goals)[2] |
| Prevseason: | 2008 |
| Nextseason: | 2010 |
The 2009 R League was the eleventh season of the R League.
| width=20 | Pos | width=200 | Team | width=30 abbr="Played" | Pld | width=30 abbr="Won" | W | width=30 abbr="Draw" | D | width=30 abbr="Lost" | L | width=35 abbr="Goals for" | GF | width=35 abbr="Goals against" | GA | width=35 abbr="Goal difference" | GD | width=40 abbr="Points" | Pts | Qualification |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Incheon United (C) | 12 | 6 | 4 | 2 | 19 | 15 | +4 | 22 | Qualification for the Championship | ||||||||||
| 2 | Seongnam Ilhwa Chunma | 12 | 7 | 1 | 4 | 17 | 14 | +3 | 22 | |||||||||||
| 3 | Suwon Samsung Bluewings | 12 | 5 | 2 | 5 | 26 | 15 | +11 | 17 | |||||||||||
| 4 | Korean Police | 12 | 3 | 5 | 4 | 12 | 15 | -3 | 14 | |||||||||||
| 5 | FC Seoul | 12 | 1 | 4 | 7 | 11 | 26 | -15 | 7 |
| width=20 | Pos | width=200 | Team | width=30 abbr="Played" | Pld | width=30 abbr="Won" | W | width=30 abbr="Draw" | D | width=30 abbr="Lost" | L | width=35 abbr="Goals for" | GF | width=35 abbr="Goals against" | GA | width=35 abbr="Goal difference" | GD | width=40 abbr="Points" | Pts | Qualification |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Jeonbuk Hyundai Motors (C) | 12 | 7 | 3 | 2 | 19 | 11 | +8 | 24 | Qualification for the Championship | ||||||||||
| 2 | Gwangju Sangmu | 12 | 5 | 3 | 4 | 20 | 15 | +5 | 18 | |||||||||||
| 3 | Jeonnam Dragons | 12 | 4 | 3 | 5 | 21 | 27 | -6 | 15 | |||||||||||
| 4 | Daejeon Citizen | 12 | 3 | 1 | 8 | 13 | 20 | -7 | 10 |
| width=20 | Pos | width=200 | Team | width=30 abbr="Played" | Pld | width=30 abbr="Won" | W | width=30 abbr="Draw" | D | width=30 abbr="Lost" | L | width=35 abbr="Goals for" | GF | width=35 abbr="Goals against" | GA | width=35 abbr="Goal difference" | GD | width=40 abbr="Points" | Pts | Qualification |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Pohang Steelers (C) | 12 | 7 | 3 | 2 | 25 | 17 | +8 | 24 | Qualification for the Championship | ||||||||||
| 2 | Gyeongnam FC | 12 | 6 | 1 | 5 | 22 | 18 | +4 | 19 | |||||||||||
| 3 | Busan IPark | 12 | 5 | 2 | 5 | 19 | 15 | +4 | 17 | |||||||||||
| 4 | Ulsan Hyundai | 12 | 3 | 4 | 5 | 17 | 21 | -4 | 13 | |||||||||||
| 5 | Daegu FC | 12 | 2 | 4 | 6 | 15 | 27 | -12 | 10 |
----
----Incheon United won 4–2 on aggregate.