| John Hastings | |
| State: | Ohio |
| District: | 17th |
| Term Start: | March 4, 1839 |
| Term End: | March 4, 1843 |
| Preceded: | Charles D. Coffin |
| Succeeded: | William C. McCauslen |
| Party: | Democratic |
| Birth Place: | Kingdom of Ireland |
| Death Place: | Hanoverton, Ohio, U.S. |
| Restingplace: | Grove Hill Cemetery, Hanoverton, Ohio |
John Hastings (1778December 8, 1854) was a 19th-century American lawyer and politician who served two terms as a U.S. Representative from Ohio from 1839 to 1843.
Born in the Kingdom of Ireland in 1778, Hastings engaged in agricultural pursuits, while studying law in Lisbon, Ohio.
He was admitted to the bar and practiced in Mississippi.
He returned to Ohio and settled in Hanover Township, Columbiana County, Ohio, where once again, he engaged in agricultural pursuits.
Hastings was elected as a Democrat to the Twenty-sixth and Twenty-seventh Congresses (March 4, 1839 - March 4, 1843).
He died near Hanoverton, Ohio, December 8, 1854 and was interred in Grove Hill Cemetery.