| Competition: | K League |
| Season: | 2009 |
| Winners: | Jeonbuk Hyundai Motors (1st title) |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | Jeonbuk Hyundai Motors Seongnam Ilhwa Chunma Pohang Steelers Suwon Samsung Bluewings |
| Best Player: | Lee Dong-gook |
| League Topscorer: | Lee Dong-gook (20 goals) |
| Matches: | 210 |
| Total Goals: | 554 |
| Highest Attendance: | 36,764 Seoul 2–1 Jeonbuk (12 September 2009) |
| Lowest Attendance: | 1,367 Seongnam 3–1 Gyeongnam (12 July 2009) |
| Average Attendance: | 11,226 |
| Prevseason: | 2008 |
| Nextseason: | 2010 |
| Biggest Home Win: | Seoul 5–1 Incheon (12 July 2009) |
| Biggest Away Win: | Jeju 1–8 Pohang (13 September 2009) |
| Highest Scoring: | Jeju 1–8 Pohang (13 September 2009) |
| Longest Wins: | 6 matches Pohang Steelers |
| Longest Unbeaten: | 15 matches Pohang Steelers |
| Longest Losses: | 8 matches Gwangju Sangmu |
The 2009 K League was the 27th season of the K League. It was held from 7 March to 6 December 2009, and a total of 15 teams contested, including newly formed Gangwon FC.
| Team | Outgoing | Manner | Date | Incoming | Date | Table | |
|---|---|---|---|---|---|---|---|
| Seongnam Ilhwa Chunma |  Kim Hak-bum | Resigned | 27 November 2008 | Shin Tae-yong | 1 December 2008 | Pre-season | |
| Incheon United | Chang Woe-ryong | Signed for Omiya Ardija | 10 December 2008 |  Ilija Petković | 7 January 2009 | ||
| Ulsan Hyundai | Kim Jung-nam | Resigned | 26 December 2008 | Kim Ho-kon | 26 December 2008 | ||
| Daejeon Citizen | Kim Ho | Sacked | 25 June 2009[1] | Wang Sun-jae | 25 June 2009[2] | 13th | |
| Jeju United |  Arthur Bernardes | Resigned | 14 October 2009[3] | Cho Jin-ho | 14 October 2009 | 13th | |
| Jeju United | Cho Jin-ho | Caretaker | 29 October 2009 | Park Kyung-hoon | 30 October 2009[4] | 13th |
See main article: 2009 K League Championship.
This list includes goals of the championship playoffs. The official top goalscorer was decided with records of only regular season, and Lee Dong-gook won the award with 20 goals.[5]
The K League Players' Player of the Year was published by Korean edition of FourFourTwo in summer, and was not an official award of the K League, but 143 players participated in the selection process.[6]
| Award | Winner | Club | |
|---|---|---|---|
| Most Valuable Player | Lee Dong-gook | Jeonbuk Hyundai Motors | |
| Top goalscorer[7] | Lee Dong-gook | Jeonbuk Hyundai Motors | |
| Top assist provider | Luiz Henrique | Jeonbuk Hyundai Motors | |
| Rookie of the Year | Kim Young-hoo | Gangwon FC | |
| FANtastic Player | Lee Dong-gook | Jeonbuk Hyundai Motors | |
| Manager of the Year | Choi Kang-hee | Jeonbuk Hyundai Motors | |
| Special Award | Kim Young-kwang | Ulsan Hyundai | |
| Kim Byung-ji | Gyeongnam FC | ||
| Goal of the Year | Kim Dong-chan | Gyeongnam FC | |
| Best Referee | Choi Gwang-bo | — | |
| Best Assistant Referee | Won Chang-ho | — | |
| Team of the Year | Jeonbuk Hyundai Motors | ||
| Fair Play Award | Gangwon FC | ||
| Youth Team of the Year | Gwangyang Jecheol High School (Jeonnam Dragons) | ||
| Merit Award | Pohang Steelers | ||
| Players' Player of the Year | Ki Sung-yueng | FC Seoul | |
| Team | Stadium | Matches | Highest | Lowest | Average | |
|---|---|---|---|---|---|---|
| Suwon Samsung Bluewings | 14 | 35,058 | 10,206 | 18,583 | ||
| FC Seoul | 14 | 36,764 | 7,685 | 16,779 | ||
| Gangwon FC | Gangneung Stadium | 10 | 21,316 | 5,129 | 14,787 | |
| Chuncheon Stadium | 4 | |||||
| Jeonbuk Hyundai Motors | 14 | 21,516 | 10,756 | 14,227 | ||
| Jeonnam Dragons | Gwang-Yang Stadium | 13 | 19,800 | 10,420 | 13,263 | |
| Suncheon Stadium | 1 | |||||
| Gyeongnam FC | Changwon Civil Stadium | 10 | 21,947 | 5,764 | 12,269 | |
| Masan Stadium | 1 | |||||
| Miryang Stadium | 1 | |||||
| Geochang Stadium | 1 | |||||
| Yangsan Stadium | 1 | |||||
| Pohang Steelers | 14 | 16,382 | 7,348 | 11,041 | ||
| Incheon United | 14 | 34,275 | 2,315 | 10,499 | ||
| Ulsan Hyundai | 14 | 13,761 | 3,864 | 9,188 | ||
| Daejeon Citizen | 14 | 16,561 | 3,535 | 8,596 | ||
| Daegu FC | Daegu Stadium | 12 | 32,250 | 3,201 | 8,541 | |
| Daegu Civil Stadium | 2 | |||||
| Seongnam Ilhwa Chunma | 14 | 17,049 | 1,367 | 7,917 | ||
| Jeju United | 14 | 32,765 | 1,753 | 7,757 | ||
| Gwangju Sangmu | Gwangju World Cup Stadium | 13 | 25,762 | 2,873 | 7,719 | |
| Yeonggwang Sportium | 1 | |||||
| Busan IPark | 14 | 17,577 | 3,998 | 7,221 | ||
| Total | 210 | 36,764 | 1,367 | 11,226 | ||
