The 2009–10 A Group was the 86th season of the Bulgarian national top football division, and the 62nd of A Group as the top tier football league in the country. It began on 7 August 2009 with the game between Beroe and Lokomotiv Sofia. The last round took place on 16 May 2010. Levski Sofia were the defending champions, but they were unable to defend it and Litex Lovech won the title, which was their third overall.