| John Herron | |
| Office: | 16th Mayor of Pittsburgh |
| Term Start: | 1849 |
| Term End: | 1850 |
| Predecessor: | Gabriel Adams |
| Successor: | Joseph Barker |
| Party: | Whig |
| Allegiance: |  United States |
| Battles: | Mexican–American War (Siege of Veracruz) |
John Herron, served as Mayor of Pittsburgh from 1849 to 1850. He was a Whig.[1] He was the son of Dr. Francis Herron, the well-known Presbyterian Minister. The Herrons were among the founding families of Pittsburgh. He captained the Duquesne Grays in the Mexican-American War during the Siege of Veracruz. His war feats greatly enhanced his electability and President Zachary Taylor visited the city during Mayor Herron's term.