Grasshopper Club Zürich fans forced the side's players to hand over their shirts during Sunday's Swiss Super League match at FC Luzern.
Luzern fans staged a protest against the early kick-off time of their side's Swiss Cup quarter-final tie with Young Boys on Wednesday.
Biel-Bienne fans were attacked by Young Boys hooligans at a bar before their Swiss Cup match on Saturday.
A group of Lausanne-Sport hooligans attacked rival Thun fans during their Super League clash on Sunday.
Angry FC Zürich fans tried to storm their team's dressing room on Wednesday evening, after relegation was confirmed on the final day of the Swiss Super League season.