The Brazilian missed last season’s surprise last-16 loss to Manchester United with a foot injury, while he also sat out the second leg of the defeat at the same stage of the competition by Real Madrid in 2018.
Neymar was rested, along with Kylian Mbappe, for PSG’s remarkable 4-4 draw at Amiens in Ligue 1 on Saturday.
“But he will help us. I am sure and convinced of that.”
PSG are yet to reach the Champions League semi-finals since being bought by their Qatari owners in 2011, with their run to the last four in 1994-95 still the closest they have come to lifting the European Cup.