John Olof Dahlgren | |
|---|---|
 Dahlgren c. 1951 | |
| Born | September 14, 1872 Kalmar, Sweden |
| Died | February 11, 1963 (aged 90) |
| Place of burial | Golden Gate National Cemetery San Bruno, California, United States |
| Allegiance |  United States |
| Service/ |  United States Marine Corps |
| Years of service | 1896–1901 |
| Rank |  Corporal |
| Battles/wars | Boxer Rebellion |
| Awards | Medal of Honor |
John Olof Dahlgren (September 14, 1872 – February 11, 1963) was an American corporal serving in the United States Marine Corps during the Boxer Rebellion who received the Medal of Honor for bravery.