The First Division was contested by 12 teams and Derry City won the title.
Derry City finished as champions and were automatically promoted to the Premier Division.
[3] The second and third placed First Division teams, Waterford United and Monaghan United, played off to decide who would play the winner of the Premier Division play-off.
[3] Bray Wanderers won 7 – 6 on penalties and retained their place in the Premier Division
[3] Salthill Devon won 3 – 1 on aggregate and retained their place in the 2011 First Division Includes goals scored in regular season only.