| Honorific Prefix: | Lieutenant General |
| Birth Name: | Đoàn Văn Ưu |
| Birth Date: | 1921 |
| Birth Place: | Hòa An, Cao Bằng, Tonkin (French protectorate) |
| Death Date: | 1999 |
| Party: | Communist Party of Vietnam |
| Alma Mater: | Whampoa Military Academy |
| Allegiance: | Democratic Republic of Vietnam and later Vietnam |
| Branch: | People's Army of Vietnam |
| Rank: | Lieutenant General |
| Battles: |
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Vũ Nam Long (born Đoàn Văn Ưu) (1921–1999) was a lieutenant-general in the People's Army of Vietnam active during the First Indochina War and Vietnam War.[1]
Vũ Nam Long attended the Whampoa Military Academy in June 1941, joined Indochinese Communist Party in January 1945.
During the First Indochina War, Vũ Nam Long was assigned to commander of the 36th regiment of 308th Brigade in 1947, then in charge of deputy commander of Lạng Sơn front in Battle of Đông Khê in 1950.
In the Battle of Điện Biên Phủ, Vũ Nam Long was the deputy commander cum chief of staff, together with commander Hoàng Minh Thảo, commanded 304th Brigade besieging, attacking Isabelle positions (Vietnamese: phân khu Nam - Hồng Cúm).[2]