| Birth Place: | Yeongcheon, North Gyeongsang, South Korea |
| Birth Date: | 20 August 1960 |
| Alma Mater: | Korea Military Academy Tennessee State University[1] |
| Awards: | Legion of Merit |
| Serviceyears: | 1984–2019 |
| Rank: | Lieutenant general |
| Signature: | Lee Jong-sup signature.svg |
| Office: | South Korean Ambassador to Australia |
| Termstart: | 12 March 2024 |
| Termend: | 29 March 2024 |
| President: | Yoon Suk Yeol |
| Primeminister: | Han Duck-soo |
| Predecessor: | Kim Wan-jung |
| Office1: | Minister of National Defense |
| Termstart1: | 10 May 2022 |
| Termend1: | 7 October 2023 |
| President1: | Yoon Suk Yeol |
| Primeminister1: | Han Duck-soo |
| Predecessor1: | Suh Wook |
| Successor1: | Shin Won-sik |
| Office2: | Vice Chairman of the Joint Chiefs of Staff |
| Termstart2: | 26 September 2017 |
| Termend2: | 22 November 2018 |
| President2: | Moon Jae-in |
| Predecessor2: | Lee Bum-rim |
| Successor2: | Won In-choul |
Lee Jong-sup (; 20 August 1960) is a South Korean retired army lieutenant general and former Vice Chairman of the Joint Chiefs of Staff who served Minister of National Defense, from May 2022 to October 2023.
On March 12, 2024, he was officially inaugurated as the South Korean ambassador to Australia. Lee Jong-sup said in Korean:[2]
Lee resigned himself as ambassador to Australia on March 29, 2024, and President Yoon Suk Yeol approved his resignation the same afternoon.[3]
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