| John Swanson | |
| Birth Date: | c. 1842 |
| Birth Place: | Sweden |
| Death Place: | Indiana, United States |
| Placeofburial Label: | Place of burial |
| Placeofburial: | Crown Hill Cemetery, Indianapolis, Indiana, United States |
| Allegiance: | United States of America Union |
| Branch: | United States Navy Union Navy |
| Rank: | Seaman |
| Battles: | American Civil War Second Battle of Fort Fisher |
| Awards: | Medal of Honor |
John Swanson (c. 1842 – June 13, 1923) was a sailor in the U.S. Navy during the American Civil War. He received the Medal of Honor for his actions during the Second Battle of Fort Fisher on January 15, 1865. His birth name was Jacob Johnson.
Emigrating from his native Sweden, Swanson volunteered for service in the U.S. Navy and was assigned to the Union brig . His enlistment is credited to the state of Massachusetts.
On January 15, 1865, the North Carolina Confederate stronghold of Fort Fisher was taken by a combined Union storming party of sailors, marines, and soldiers under the command of Admiral David Dixon Porter and General Alfred Terry. Seaman Swanson was a member of the storming party.
The President of the United States of America, in the name of Congress, takes pleasure in presenting the Medal of Honor to Seaman John Swanson, United States Navy, for extraordinary heroism in action while serving on board the U.S.S. Santiago de Cuba during the assault on Fort Fisher, North Carolina, on 15 January 1865. As one of a boat crew detailed to one of the generals on shore, Seaman Swanson bravely entered the fort in the assault and accompanied his party in carrying dispatches at the height of the battle. He was one of six men who entered the fort in the assault from the fleet.
General Orders: War Department, General Orders No. 59 (June 22, 1865)
Action Date: January 15, 1865
Service: Navy
Rank: Seaman
Division: U.S.S. Santiago de Cuba