The 2009 S.League (officially known as the Great-Eastern-Yeo's S.League for sponsorship reasons) was the 14th season since the establishment of the S.League. SAFFC won their eighth S.League title.
Changes to the league include:
- Monthly claim of S$2,000 for the local clubs from the FAS if they sign a foreign player who is a newcomer to the S-League.
- Brunei DPMM have replaced Dalian Shide Siwu in 2009 season.
Read more about 2009 S.League: Results, Kits and Main Sponsors, Managerial Changes, S-League Awards Night Winners