The 2009–10 Lebanese Premier League was the 49th season of top-tier football in Lebanon.

A total of twelve teams are competing in the league, with Al-Nejmeh the defending champions.

League size was increased from eleven to twelve teams for this season.

Salam Zgharta were relegated to the second level of Lebanese football after ending the 2008–09 season in last place.

Promoted from the second level were Al Islah Bourg Shamaly and Al-Ahli Saida.