List of Galway United F.C. seasons

This is a list of seasons played by Galway United F.C. in the League of Ireland. It details the club's achievements in major competitions, along with top league scorers for each season.

Key

 * P = Played
 * W = Games won
 * D = Games drawn
 * L = Games lost
 * F = Goals for
 * A = Goals against
 * Pts = Points
 * Pos = Final position


 * First = League of Ireland First Division
 * Prem = League of Ireland Premier Division


 * F = Final
 * RU = Runner Up


 * SF = Semi-finals
 * QF = Quarter-finals


 * GR = Regional Group Stage
 * R1 = Round 1
 * R2 = Round 2
 * R3 = Round 3
 * R4 = Round 4