| Competition: | Reserve League |
| Season: | 2007 |
| Dates: | 30 March – 18 October 2007 |
| Winners: | Group A: Seongnam Ilhwa Chunma Group B: Jeju United Group C: Pohang Steelers Championship: Pohang Steelers |
| Best Player: | Lee Won-jae[1] |
| League Topscorer: | Yoon Joon-su Song Geun-su (8 goals each)[2] |
| Prevseason: | 2006 |
| Nextseason: | 2008 |
The 2007 Korean Professional Football Reserve League was the ninth season of the R League. Pohang Steelers won their second national title after defeating Seongnam Ilhwa Chunma in the Championship final.
| width=20 | Pos | width=230 | 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 | Seongnam Ilhwa Chunma (C) | 16 | 8 | 2 | 6 | 19 | 14 | +5 | 26 | Qualification for the Championship | ||||||||||
| 2 | Suwon Samsung Bluewings | 16 | 7 | 5 | 4 | 26 | 23 | +3 | 26 | |||||||||||
| 3 | Incheon United | 16 | 5 | 5 | 6 | 18 | 19 | -1 | 20 | |||||||||||
| 4 | Korean Police | 16 | 5 | 4 | 7 | 18 | 22 | -4 | 19 | |||||||||||
| 5 | FC Seoul | 16 | 4 | 6 | 6 | 17 | 20 | -3 | 18 |
| width=20 | Pos | width=230 | 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 | Jeju United (C) | 18 | 7 | 5 | 6 | 21 | 17 | +4 | 26 | Qualification for the Championship | ||||||||||
| 2 | Jeonbuk Hyundai Motors | 18 | 8 | 2 | 8 | 30 | 34 | -4 | 26 | |||||||||||
| 3 | Gwangju Sangmu | 18 | 7 | 4 | 7 | 28 | 25 | +3 | 25 | |||||||||||
| 4 | Jeonnam Dragons | 18 | 7 | 3 | 8 | 26 | 29 | -3 | 24 |
| width=20 | Pos | width=230 | 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) | 18 | 9 | 5 | 4 | 31 | 13 | +18 | 32 | Qualification for the Championship | ||||||||||
| 2 | Busan IPark | 18 | 7 | 6 | 5 | 21 | 19 | +2 | 27 | |||||||||||
| 3 | Ulsan Hyundai Horang-i | 18 | 4 | 7 | 7 | 17 | 24 | -7 | 19 | |||||||||||
| 4 | Gyeongnam FC | 18 | 5 | 4 | 9 | 15 | 28 | -13 | 19 |
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----3–3 on aggregate. Pohang Steelers won 4–2 on penalties.