Mourmelon-le-Grand (French pronunciation: [muʁməlɔ̃ lə ɡʁɑ̃]) is a commune in the Marne department in north-eastern France.

It was created at the behest of Napoleon III and opened August 30, 1857 during the Second French Empire.

The Russian Expeditionary Force in France was stationed here in September 1916.

It was also selected to host the shooting events for the 1924 Summer Olympics in neighbouring Paris During the Second World War, it served as the quarters for the US Army's 501st Infantry Regiment, 101st Airborne Division - who was recovering from the fighting in The Netherlands and waiting on replacements.

The regiment would soon play a crucial role in the Battle of Bastogne.