Kriralok Desk: The 29-year-old Brazil international was carried off on a stretcher in the last few minutes of Sunday’s 3-1 away victory at Saint-Etienne.
Neymar is set to miss seven PSG Ligue 1 matches and a Champions League tie.
Domestically, PSG are 12 points clear of second-placed Rennes, while in the Champions League they are guaranteed to finish second in Group A and advance to the last 16.
PSG play Club Bruges at home on 7 December, before the tournament resumes in February.
Ex-Liverpool midfielder Georginio Wijnaldum, 31, is set to return to training this week after missing the game against Saint-Etienne with a knee injury.
However, he is expected to be absent for the home match against Nice on Wednesday.