Manchester United’s fans were fined 8,375 euros (£7,050) by UEFA for their behavior during recent European matches.
On September 29, United was penalized when fans flung items and invaded the pitch during the team’s comeback victory over Villarreal.
West Ham must also pay 60,000 euros (£50,500) in compensation for crowd disturbance following their 2-0 victory against Rapid Vienna on September 28.
Rapid has been fined 60,000 euros and is prohibited from bringing fans to their next European away match.
The European governing body also fined Paris Saint-Germain a total of 40,250 euros (£33,900) after fans blocked public passageways and let off pyrotechnics after their 2-0 Champions League victory over Manchester City on September 28.
Legia Warsaw will be fined 16,000 euros (£13,500) for blocking passageways during their 1-0 Europa League victory against Leicester on September 30.