The 1951 Belgian Grand Prix was a Formula One motor race held on 17 June 1951 at Circuit de Spa-Francorchamps.

Juan Manuel Fangio had a new suspension with special wheels, which had to be concave to make room for the brake drums.

Giuseppe Farina's Alfa Romeo dominated, holding off the Ferraris of Alberto Ascari and Luigi Villoresi.

A quick stop of 39 seconds for wheel change and refuelling preserved his lead until the finish.

This would eventually prove to be the only Grand Prix in Fangio's entire Formula 1 career, barring retirements, that he finished outside of the top four.