Tifosi is an Italian word that means "fans". Tifosi is used to describe a group of supporters, especially in sports. Tifosi is used for a mixed gender or an all-male group; masculine singular tifoso, femine singular tifosa, feminine plural tifose.

The word is mainly used to describe fans of clubs in football. Apart from the many local fan clubs in Italy whose main role is (for example) to provide a meeting place for fans and friends and organize away trips, since the late 1960s many Italian fans rely on organized stadium groups known as Ultras.

The Tifosi provide "Formula One" with some of its most iconic images of red fills the grandstands at the Italian Grand Prix. One of the most common Tifosi sights is the display of an enormous Ferrari flag in the grandstands during "Formula One" weekends at every race circuits.

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