2009 Thai Premier League
The Thai Premier League 2009 was the thirteenth season of the Premier League since its establishment in 1996. A total of 16 teams competed in the league, with PEA FC as the defending champions.
Muang Thong United took the league championship with two names remaining, the first ever team to win the championship in their debut appearance in the top flight.
Nakhon Pathom, Sriracha and Chula United were relegated to the 1st Division.
Rules
- Teams play each other twice on a home and away basis
- 3 Points for a win
- 1 Points for a draw
- At beginning of the season the league winner plays the FA Cup winner in the Kor Royal Cup
- Loser qualifies for Asian Champions League Qualification Round
- Teams finishing on same points at the end of the season use toe-to-toe record to determine finishing position.
- Bottom 10 teams are relegated to Thai Division 1 League
Member clubs and locations
| Club Name | Year Joined | Province | Home Stadium | Capacity | Notes |
| PEA | 2004/05 | Ayutthaya | Ayutthaya Province Central Stadium | 6,000 | AFC Champions League 2009 |
| Chonburi | 2006 | Chonburi | Princess Sirindhorn Stadium | 5,000 | AFC Cup 2009 |
| BEC Tero Sasana | 1996/97 | Bangkok | BEC Tero Sasana Nong Chok Stadium | 5,000 | - |
| Osotspa Saraburi | 1996/97 | Pathum Thani | Thanarom Village Football Field | ? | - |
| TOT | 1996/97 | Kanchanaburi | Klip Bua Stadium | 16,000 | - |
| Bangkok Glass 1 | 2009 | Pathum Thani | Chaloem Phra Kiat Stadium | 5,000 | - |
| Samut Songkhram | 2008 | Samut Songkhram | Samut Songkhram Province Stadium | 5,000 | - |
| Chula United | 1996/97 | Bangkok | Chulalongkorn University Stadium | 25,000 | - |
| Nakhon Pathom | 2007 | Nakhon Pathom | Kasetsat Kamphengsaen University Stadium | 4,000 | - |
| Bangkok United 2 | 2003/04 | Bangkok | Thai-Japanese Stadium | 10,320 | - |
| Pattaya United 1 | 2009 | Chonburi | Nongprue Municipality Football Field | 5,000 | - |
| TTM Samut Sakhon 3 | 1996/97 | Samut Sakhon | Institute of Physical Education Samut Sakhon Stadium | 6,378 | - |
| Thai Port 4 | 1996/97 | Bangkok | PAT Stadium | 5,000 | - |
| Muang Thong United | 2009 | Nonthaburi | Thunderdome Sport Complex | 16,000 | Promoted from Division 1 |
| Sriracha | 2009 | Chonburi | Princess Sirindhorn Stadium | 5,000 | Promoted from Division 1 |
| Rajnavy Rayong 5 | 1996/97 | Rayong | Rayong Province Central Stadium | 17,000 | Promoted from Division 1 |
1 Pattaya United and Bangkok Glass took the places of Coke Bangpra and Krung Thai Bank after purchasing the clubs. Coke Bangpra and Krung Thai Bank therefore withdrew from the league allowing Pattaya and Bangkok Glass to take position in the top flight.
2 Changed name from Bangkok University
3 Changed name from Thailand Tobacco Monopoly
4 Changed name from Port Authority of Thailand.
5 Changed name from Royal Thai Navy
Managerial changes
League table
Season notes
- Before the starting of 2009 seasons, Thailand Premier League changed the official name to Thai Premier League.
- Coke Bangpra sold their Thai Premier League slot to a newly formed club, Pattaya United at the end of the Thai Premier League 2008 season. Coke Bangpra therefore withdrew from the Thai football league system and Pattaya would start their life in the very top division.
- Provincial Electricity Authority were drawn against Singapore Armed Forces of Singapore in the opening game of the AFC Champions League 2009 and were defeated 4-1 after extra time.
- On December 30, 2008, Thailand confirmed that Denmark, North Korea and Lebanon would play in the 2009 King's Cup tournament. Thailand would open up against Lebanon to determine who would enter the final.
- Thailand came runners up in the 2009 King's Cup, defeated by Denmark on penalties in the final.
- Chonburi won the season opening Kor Royal Cup, defeating PEA 1-0.
- In May, Chonburi progressed to the Round of 16 stage in the AFC Cup, whilst PEA got knocked out in the Group Stages.
- In June, FAT confirmed that the FA Cup would be restarted and the winners would enter the AFC Cup 2010.
- Osotspa M-150 changed their name mid-season to Osotspa Saraburi
- BEC defeated TSW Pegasus FC of Hong Kong in the TSW Pegasus Anniversary Cup
Results
Season statistics
Top scorers
Last updated October 18, 2009| Scorer | Goals | Club |
 Anon Sangsanoi | 18 | BEC Tero Sasana |
 Kone Mohamed | 14 | Chonburi |
| Nantawat Tansopa | 11 | Bangkok Glass |
 Ajayi Samuel | 10 | Bangkok Glass |
| Dango Siaka | 10 | Muang Thong United |
| Pipat Thonkanya | 10 | Thai Port |
| Arthit Sunthornpit | 9 | Chonburi |
| Sarayoot Chaikamdee | 9 | Osotsapa M-150 |
| Sompong Soleb | 9 | Chula United |
| Soumahoro Yaya | 9 | Muang Thong United |
| Suriya Domtaisong | 9 | Muang Thong United PEA |
 Michael Byrne | 8 | Nakhon Pathom Chonburi |
| Suttinan Nontee | 8 | Rajnavy Rayong |
 Anderson | 7 | Chonburi Pattaya United |
 Bekombo Ekollo | 7 | TTM Samut Sakhon |
| Chakrit Buathong | 7 | BEC Tero Sasana |
| Chatprapob Usaprom | 7 | TTM Samut Sakhon |
| Chatree Chimtalay | 7 | Bangkok Glass |
| Jirawat Makarom | 7 | Thai Port |
 Raúl González Gastón | 7 | Sriracha |
| Teerasil Dangda | 7 | Muang Thong United |
Hat-tricks
| Player | Nationality | For | Against | Result | Date |
| Sompong Soleb | Chula United | PEA | 3–1 | 12 09 2009 | |
| Anon Sangsanoi | BEC Tero Sasana | TOT | 4–0 | 07 10 2009 | |
| Nantawat Tansopa | Bangkok Glass | Nakhon Pathom | 5–2 | 18 10 2009 |
Annual awards
Coach of the Year
- Attaphol Buspakom - Muang Thong United
Defender of the Year
- Jetsada Jitsawad - Muang Thong United
Midfielder of the Year
- Kittipol Paphunga - BEC Tero Sasana
Striker of the Year
- Pipat Thonkanya - Thai Port
Young Player of the Year
- Kabfah Boonmatoon - Osotsapa M-150
Top scorer
- Anon Sangsanoi - BEC Tero Sasana