The 2018 season was Kedah's 10th season in the Malaysia Super League since its inception in 2004. They also participated in Malaysia FA Cup and Malaysia Cup.
On 3 December 2017, it was reported that two Kedah footballers & coach were alleged match fixing and have their statement taken by the police. This was after 6 Kedah footballers and coach Nidzam Adzha Yusoff after were accused by a fan on Facebook of throwing the Malaysia Cup final match on Nov 4.
On 11 December 2017, it was announced that former Kedah assistant head coach Ramon Marcote has returned to the side for the 2018 season, this time as the head coach.
1st leg
2nd leg
1st leg
2nd leg
The fixtures for the 2018 Malaysia Super League season were announced on 11 January 2018.