RK-360MC Neptune is a Ukrainian coastal mobile missile system with R-360 Neptune anti-ship missiles. It is designed to destroy warships of the cruiser, destroyer, frigate, corvette classes, as well as amphibious assault ships, tank landing ships and transports operating independently or as part of groups.

The complex includes the RKP-360 command post, the USPU-360 launcher with TPK-360 transport and launch containers, the TZM-360 transport and loading vehicle, and the TM-360 transport vehicle.

It gained worldwide fame on April 13, 2022, when it destroyed the Russian missile cruiser Moskva, the flagship of the Russian Black Sea Fleet.