The 2017–18 season is Newell's Old Boys' 56th consecutive season in the top-flight of Argentine football. The season covers the period from 1 July 2017 to 30 June 2018.
^Newell's Old Boys were deducted one point for debts owed to former players. Originally AFA partially accepted the appeal by Newell's Old Boys reducing the penalty from three points to one point but a new appeal by Lanús overturned the decision. Finally, on 28 June 2019 CAS gave back two points to Newell´s Old Boys reducing the penalty to one point again.[9][10][11][12]