Progress M-9 (Russian: Прогресс М-9) was a Soviet uncrewed cargo spacecraft which was launched in 1991 to resupply the Mir space station. The twenty-seventh of sixty four Progress spacecraft to visit Mir, it used the Progress-M 11F615A55 configuration, and had the serial number 210. It carried supplies including food, water and oxygen for the crew aboard Mir, as well as equipment for conducting scientific research, and fuel for adjusting the station's orbit and performing manoeuvres. It was the third Progress spacecraft to carry a VBK-Raduga capsule, which was used to return equipment and experiment results to Earth.