The 2020 Grand Prix La Marseillaise was the 41st edition of the Grand Prix La Marseillaise cycle race. It was held on 2 February 2020 as a category 1.1 race on the 2020 UCI Europe Tour. The race started and finished in Marseille. The race was won by Benoît Cosnefroy of .
Fifteen teams of up to seven riders started the race: