FIA Formula 4, also called FIA F4, is an open-wheel racing car category intended for junior drivers. There is no global championship, but rather individual nations or regions can host their own championships in compliance with a universal set of rules and specifications.

Tatuus is an Italian chassis manufacturer for a series of formula racing series, being first founded in 1980. The company is known for its association with Renault Sport for its production of the Formula Renault chassis.