The Bradford Bulls are a professional rugby league club in Bradford, West Yorkshire, England, playing in the Championship. They have won five Challenge Cups, nine league championships and three World Club Challenges in 2002, 2004 and 2006. The team jersey is predominantly white with red, amber and black chevrons.

In 1907, Bradford F.C., founder member of the Rugby Football League, switched codes to association football and Bradford Northern, often abbreviated to Northern, was formed by members who wished to continue rugby. Bradford Northern were renamed Bradford Bulls in 1996, at the start of Super League. Bradford's main rivalries are with Leeds, Halifax and Huddersfield.