| John H. Havron | |
| Birth Date: | 23 December 1843 |
| Birth Place: | Ireland |
| Death Place: | New Orleans, Louisiana, US |
| Placeofburial: | New Orleans |
| Allegiance: | United States |
| Branch: | US Army |
| Serviceyears: | 1861-1865 |
| Rank: | Sergeant |
| Unit: | Battery G, 1st Rhode Island Light Artillery |
| Battles: | American Civil War |
| Awards: | Medal of Honor |
John H. Havron (December 23, 1843 – October 28, 1910) was an American soldier who fought in the American Civil War. Havron received his country's highest award for bravery during combat, the Medal of Honor.[1] Havron's medal was won for his extraordinary heroism during the Third Battle of Petersburg, in Virginia on April 2, 1865.[1] He was honored with the award on May 12, 1865.[2]
Havron was born in Ireland, and entered service in Providence, Rhode Island.[1] He died in 1910 in New Orleans, Louisiana.