| John Sloane | |
| Order1: | 7th |
| Office1: | Treasurer of the United States |
| Term Start1: | November 27, 1850 |
| Term End1: | April 6, 1853 |
| President1: | Millard Fillmore Franklin Pierce |
| Preceded1: | William Selden |
| Succeeded1: | Samuel L. Casey |
| Office2: | Secretary of State of Ohio |
| Term Start2: | 1841 |
| Term End2: | 1844 |
| Governor2: | Thomas Corwin Wilson Shannon |
| Preceded2: | William Trevitt |
| Succeeded2: | Samuel Galloway |
| State3: | Ohio |
| Constituency3: | (1819-1823) (1823-1829) |
| Term Start3: | March 4, 1819 |
| Term End3: | March 4, 1829 |
| Preceded3: | Peter Hitchcock |
| Succeeded3: | John Thomson |
| Office5: | 4th Speaker of the Ohio House of Representatives |
| Term Start5: | December 2, 1805 |
| Term End5: | November 30, 1806 |
| Predecessor5: | Michael Baldwin |
| Successor5: | Abraham Shepherd |
| Office6: | Member of the Ohio House of Representatives from Columbiana County |
| Term Start6: | 1807 |
| Term End6: | 1808 |
| Preceded6: | John McConnell |
| Succeeded6: | George Clark John Crumbacker William Harbaugh |
| Office7: | Member of the Ohio House of Representatives from Jefferson and Columbiana counties |
| Term Start7: | 1804 |
| Term End7: | 1806 |
| Preceded7: | New district |
| Succeeded7: | Samuel Boyd Thomas Elliott John McLaughlinJohn McLaughlin |
| Office8: | Member of the Ohio House of Representatives from Jefferson County |
| Term Start8: | 1803 |
| Term End8: | 1804 |
| Preceded8: | Rudolph Bair Zacheus A. Beatty Thomas Elliott Isaac Meeks |
| Succeeded8: | District eliminated |
| Party: | Democratic-Republican |
| Birth Date: | November 3, 1779 |
| Birth Place: | York, Pennsylvania, U.S. |
| Death Date: | May 15, 1856(aged 76) |
| Death Place: | Wooster, Ohio, U.S. |
| Restingplace: | Oak Hill Cemetery |
| Allegiance: | United States |
| Rank: | colonel |
| Battles: | War of 1812 |
John Sloane (November 3, 1779May 15, 1856) was a U.S. Representative from Ohio and later the Treasurer of the United States.
Born in York, Pennsylvania, Sloane moved to Ohio in early youth. He completed preparatory studies. He served as member of the Ohio House of Representatives from 1803 to 1805 and again in 1807. Sloane served as colonel of militia in the War of 1812.United States receiver of public moneys at Canton, Ohio from 1808 to 1816 and at Wooster 1816-1819.
Sloane was elected as a Democratic-Republican to the Sixteenth and Seventeenth Congresses, reelected as an Adams-Clay Republican to the Eighteenth Congress, and elected as an Adams candidate to the Nineteenth and Twentieth Congresses (March 4, 1819 – March 4, 1829). He served as chairman of the Committee on Elections (Seventeenth through Twentieth Congresses).
He was appointed clerk of the court of common pleas of Wayne County in 1831 and served several years. He was the Secretary of State of Ohio, 1841–1844.
Sloane was Treasurer of the United States from November 27, 1850, to April 6, 1853.He died in Wooster, Ohio, May 15, 1856. He was interred in Oak Hill Cemetery.