| Competition: | Liga Premier |
| Season: | 2009 |
| Winners: | Harimau Muda 1st Second Division title |
| Relegated: | SDMS Kepala Batas |
| Matches: | 182 |
| Prevseason: | 2007–08 |
| Nextseason: | 2010 |
The 2009 Liga Premier (English: '''2009 Premier League'''), also known as the TM Liga Premier for sponsorship reasons, is the sixth season of the Liga Premier, the second-tier professional football league in Malaysia.[1]
The season was held from 9 January and concluded on 2 August 2009.[1]
The Liga Premier champions for 2009 season was Harimau Muda.[1] As a development team, Harimau Muda had to stay in Liga Premier while T-Team and Johor promoted to Liga Super as a second and third placed team in the league respectively. Kuala Lumpur was later promoted to Liga Super too to keep the team number balanced after Kuala Muda Naza and UPB-MyTeam withdrawal from Super League for 2010 season.
The following teams will participate in the competition:
Harimau Muda¹ - Relegated from Liga Super
² - Promoted from Liga FAM