Juliette Plumecocq-Mech is a French actress.

Originally from Bordeaux, she entered the Bordeaux Conservatory of Dramatic Arts. She then joined Ariane Mnouchkine's Théâtre du Soleil troupe. There she met the actor Christophe Rauck who created the Compagnie Terrain Vague in 1995, which Juliette joined.