2018 Albirex Niigata Singapore FC season

The 2018 season was Albirex Niigata Singapore FC's 15th consecutive season in the top flight of Singapore football and in the S.League, having joined the S.League in 2004. Along with the S.League, the club also competed in the Singapore Cup and the Singapore League Cup. They were the defending champions in 2018.

Pre-season

 * 1) On 28/11/2017, the team announced that they had renewed Head Coach Kazuaki Yoshinaga's contract  for the S.League 2018 season.
 * 2) On 15/12/2017, the team announced that age restrictions had been imposed by the FAS for the new season.  Depending on the squad size (minimum of 19 players), they will have to make do with eight U-21 players, eight U-23 players and one player of any age.  This is excluding 2 Singapore U-23 players which they can sign.

Singapore Cup
Albirex Niigata won 3-0 on aggregate.

Albirex Niigata won 4-2 on aggregate.