The English club Manchester united has the largest fan base in the world, Real Madrid comes second.
1-Real Madrid With 183 millions fan
A.C Milan is a top Italian club.
I'm sorry guys but the biggest team isnt in Europe it's in brazil Flamengo! So stop acting like you noobs know anything about football Flamengo has over 38 million beat that man u.------- this is completly wronge man u have 335million and rising
The football club with the biggest fan club in Spain is Barcelona football team.
Manchester United have the most registered fan on any database accounting people associated with any football club worldwide, 2008 figure was 412 million. ( 412,000,000 )
The Collingwood Football club from the AFL code.