The Commandant of the Republic of Korea Marine Corps () is the highest-ranking officer of the South Korean marines. The current commandant is , starting from 6 December 2024.
The first commandant was Shin Hyun-joon, serving from April 1949 to October 1953. The billet of commandant was disbanded in 1973 and re-established in 1987. The commandant typically holds the rank of lieutenant general ().
|- ! colspan = "7"| Commandant of the Marine Corps |-
|- ! colspan = "7"| Second Vice Chief of Naval Operations |-
|- ! colspan = "7"| Commandant of the Marine Corps |-