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Football Supporter Groups Ultras Fan Groups may refer to:
Ultra groups are organized football fan groups known for coordinated chants, visual displays, and strong supporter identity.
In some contexts, the term “supporter groups” can refer to organized groups associated with football-related violence and hooliganism.
Many clubs have official or semi-official supporter groups and fan clubs that organize matchday support (often distinct from ultras).
Different leagues and countries use multiple labels (e.g., ultras, terraces, supporter groups) for collective fan organizations, which can be discussed generically.