The RAM 03 was an open-wheel Formula One race car, designed, developed and built by British racing team and constructor RAM, to compete in the 1985 and 1986 Formula One world championship.

[1][2] In 1986 an updated version called 03B was introduced and was driven by New Zealander Mike Thackwell during the pre-season testing for the 1986 season held at Jacarepaguá.

Later in 1986 one of the 03 chassis was converted into a Formula 3000 car, the 04.

The car contested a number of races in the 1986 Formula 3000 championship.