Justyn Ma'Ning was a male Human Jedi Master who served the Jedi Order during the final decades of the Republic Classic era. Ma'Ning was middle-aged, balding, and had a deep voice; he was most noted for taking part in the Outbound Flight Project. Under the command of Master Jorus C'baoth, whom he often clashed with, he was charged to oversee the Jedi aboard D-Four. During his participation on Outbound Flight, Master Ma'Ning was killed by the starfighters sent by order of Chiss Captain Mitth'raw'nuruodo.