Reuters/Fabian Bimmer
While 2015 wasn't exactly a great year for the game's global reputation thanks to the corruption scandal that has engulfed the sport's governing body FIFA, the fans were as wild and passionate as ever before.
To show their love to their favourite teams, lots of fans this year created huge banners and flags, showing their colours and some funny, touching, and heartwarming slogans.
These displays made for some incredible imagery, so check out these images of the craziest fan displays from football matches across the world in 2015.