| Matthias Corwin | |
| Office: | 9th and 11th Speaker of the Ohio House of Representatives |
| Term Start: | December 4, 1815 |
| Term End: | December 1, 1816 |
| Predecessor: | John Pollock |
| Successor: | Thomas Kirker |
| Term Start1: | December 2, 1811 |
| Term End1: | December 6, 1812 |
| Predecessor1: | Edward Tiffin |
| Successor1: | John Pollock |
| Office2: | Member of the Ohio House of Representatives from Warren County |
| State House2: | Ohio |
| Term Start2: | Unknown |
| Term End2: | Unknown |
| Birth Date: | 19 February 1761 |
| Birth Place: | Morris County, New Jersey, U.S. |
| Party: | Democratic-Republican |
Matthias Corwin (February 19, 1761 - September 4, 1829) was an American politician. Born in Morris County, New Jersey, Corwin and his family moved to Ohio in 1798. Corwin served in the Ohio House of Representatives and served as speaker. His son was US Senator, Ohio Governor and US Secretary of the Treasury Thomas Corwin. Corwin died in Lebanon, Ohio.[1] [2] He was a Presidential elector in 1812 for the James Madison ticket.