The 2004–05 season was Kilmarnock's sixth consecutive season in the Scottish Premier League, having competed in it since its inauguration in 1998–99.

Kilmarnock also competed in the Scottish Cup and the League Cup.

Kilmarnock finished seventh in the Scottish Premier League with 49 points.

[1] They reached the third round of the League Cup, losing to Hearts[2] and the fourth round of the Scottish Cup, also losing to Hearts.

[3] Win Draw Loss Postponed