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| Minister of National Defense of South Vietnam | |
|---|---|
| Vietnamese: Bộ Quốc phòng Việt Nam Cộng Hòa | |
&sq=Envato&lang=en&file=File:Coat_of_arms_of_the_Republic_of_Vietnam_(1967%E2%80%931975).svg) Emblem (1963–75) | |
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Incumbent None | |
| Ministry of National Defense | |
| Status | Minister |
| Member of | Government |
| Reports to | The President |
| Seat | Saigon (now Ho Chi Minh City) |
| Appointer | The Emperor (1949–55) The President (1955–75) |
| Term length | No fixed term |
| Formation | 1949 |
| First holder | Nguyễn Văn Xuân |
| Final holder | Trần Văn Đôn |
| Abolished | 1975 |
The Minister of National Defense was a government minister in charge of the Ministry of National Defense of South Vietnam (common name for the State of Vietnam and the Republic of Vietnam), in what is now southern region of Vietnam. The Minister was responsible for conducting defense strategies and affairs of the country.