Gustavus Fox | |
|---|---|
 Fox in August 1866 | |
| Assistant Secretary of the Navy | |
| In office August 1, 1861 – November 26, 1866 | |
| President | Abraham Lincoln |
| Preceded by | Position established |
| Succeeded by | William Faxon |
| Personal details | |
| Born | Gustavus Vasa Fox June 13, 1821 Saugus, Massachusetts |
| Died | October 29, 1883 (aged 62) New York City, New York |
| Resting place | Rock Creek Cemetery, Washington, D.C. |
| Spouse | Virginia Woodbury Fox |
| Alma mater | Phillips Academy |
| Military service | |
| Allegiance |  United States |
| Branch/service |  United States Navy |
| Years of service | 1838–1856 |
| Rank |  Lieutenant |
| Battles/wars | Mexican-American War |
Gustavus Vasa Fox (June 13, 1821 – October 29, 1883) was an officer of the United States Navy, who served during the Mexican–American War, and as the first Assistant Secretary of the Navy during the Civil War.