Marie Poissonnier (born 4 May 1979 in Clermont-Ferrand, Puy-de-Dôme) is a female pole vaulter from France. Her personal best jump is 4.46 metres, achieved in July 2002 in Saint-Etienne.
She finished twelfth at the 1999 IAAF World Indoor Championships in Maebashi and won the bronze medal at the 2001 Mediterranean Games in Tunis. Participating at the 2004 Olympics, she failed to qualify from her pool.