European club-related supporters groups

Germany

• HSV Supporters Club
  www.hsv-sc.de
  (Hamburger SV)

Israel

• Hapoel Ussishkin BC
  http://www.hapoeluta.com

Italy

• AS Roma
  http://www.azionariatopopolareasroma.com/en/
  
• Modena SC
  http://www.forzamodena.com/
  http://www.coopmodenasportclub.it/
  http://forzamodena.wordpress.com/

Portugal

• Associação de Adeptos Sportinguistas
  www.aasporting.com (Sporting Club of Portugal)

Spain

• Senales de Humo
  http://sdehumo.net/ (Atletico Madrid)

• Por Nuestro Betis
  http://pornuestrobetis.org/ (Real Betis)

Sweden

• MFF Support
  http://www.mff-familjen.se/mff-support/ (Malmö FF)