The 2005 First Division season was the 37th of the amateur competition of the first-tier football in the Gambia.

The tournament was organized by the Gambian Football Association (GFA) .

[1] The season began on 7 January and finished on 3 July.

Wallidan FC won the fifteenth title and qualified for and competed in the 2006 CAF Champions League the following season.

The league was contested by 10 teams with Wallidan FC again winning the championship.