Hammarby IF's supporters, known as Bajen fans, carry a rich and vibrant culture that goes deeper than just football. Every match day turns into a celebration where community and passion flow freely, and it is the small rituals that truly make a difference. From the first stirring notes of the club's anthems to the magnificent tifo displays that adorn the stands, every moment contributes to an atmosphere that is hard to describe for those who have not experienced it.

One of the most cherished traditions is the so-called "Bajen song," which resonates throughout the Stadion. It is not just a song, but an expression of loyalty and love for the club. Supporters sing it in unison, often with an intense passion that makes the entire arena vibrate. It is an experience that binds generations of fans together, from those who have stood on the terraces since the 1970s to the newer supporters who have just discovered the magic of Bajen.

Derby days are something entirely unique for Bajen fans. The rivalry with Djurgårdens IF creates an electric atmosphere where the city's vibrant life can be felt in the air. Watching Bajen face Djurgården is not just a match; it is an event, a festival where every supporter is part of something bigger. The preparations that take place before kick-off are a ritual in themselves—from dressing in green and white to gathering at pubs and squares to sing and cheer.

Tifos are also a central part of Hammarby IF's supporter tradition. These grand visual artworks, often featuring large flags, banners, and colorful confetti, are put up to honor the team and its history. Each tifo tells a story, a tribute to a specific player, match, or club tradition. They are created by dedicated supporters who spend hours ensuring that every detail is perfect.

The Stadion is more than just a place for football; it is a sacred space where Bajen fans come together to share joy, sorrow, and everything in between. It is in these moments of community that the true power of supporter culture emerges. Bajen fans do not just stand behind their team; they are part of the team. This unique supporter tradition makes Hammarby IF one of the most beloved clubs in Sweden, and it will continue to thrive as long as passionate supporters stand by their side.