Grégory Poirier (born 9 July 1982) is a French professional football manager and former player who is the head coach of Ligue 2 club Red Star.

[2] In March 2017, he took over at Marseille Endoume, and led them to consecutive promotions from the sixth-tier Régional 1 to the fourth-tier Championnat National 2.

[4] He resigned the following May with one year left on his contract; the season had been abandoned due to the COVID-19 pandemic, with his team in 9th.

[6] Having won once and drawn five times in seven games, he was sacked in December 2020, more than one month into another COVID-related hiatus.

[8] Martigues finished the 2023–24 Championnat National as runners-up to Red Star, thus returning to Ligue 2 for the first time in 22 years.