The 2017–18 season was the club's fifth season in the Scottish Premiership and their ninth consecutive season in the top flight of Scottish football.

St Johnstone also competed in the Scottish Cup, the League Cup, and after a years absence they competed in qualifying for the Europa League.

[2] They were knocked out by FK Trakai in the First qualifying round and finished Eighth place in the League.

[3] This was the final season at the club for legends Alan Mannus, Steven MacLean, and Chris Millar,[4] with the latter being rewarded with a testimonial.

[5] Win Draw Loss Postponed List of St Johnstone F.C.