| Post: | Chief of Staff |
| Body: | the Republic of Korea Army |
| Native Name: | Korean: 대한민국 육군참모총장 |
| Flag: | Flag of the Chief of Staff of the Republic of Korea Army.png |
| Flagborder: | yes |
| Flagcaption: | Flag of the Chief of Staff |
| Incumbent: | General Park An-su |
| Incumbentsince: | 31 October 2023 |
| Department: | Ministry of National Defense |
| Abbreviation: | CSA |
| Member Of: | Joint Chiefs of Staff |
| Reports To: | Chairman of the Joint Chiefs of Staff |
| Appointer: | The President |
The Chief of Staff of the Republic of Korea Army (CSA;), is the head of the Republic of Korea Army (ROKA). The position has existed since the founding of the ROKA in 1948, and was originally held by a Lt. General, then by a General since 1968.
The appointment of the CSA, along with the Chief of Naval Operations, Chiefs of Staff of the Air Force and the Chairman of the Joint Chiefs of Staff, is referred to the State Council of South Korea for deliberation according to Article 89, Constitution of South Korea.
| Portrait | Name | Term of office | |||||
|---|---|---|---|---|---|---|---|
| Took office | Left office | Time in office | |||||
| 1 | Lieutenant general | 15 January 1946 | 13 December 1946 | – | |||
| 2 | Brigadier general | 13 December 1946 | 20 November 1948 | – | |||
| 3 | Lieutenant general | 20 November 1948 | 15 December 1948 | – | |||