| William McKinley | |
| Birth Date: | Unknown |
| Birth Place: | Virginia |
| Death Date: | Unknown |
| Party: | Democratic-Republican |
| State: | Virginia |
| District: | 1st |
| Term Start: | December 21, 1810 |
| Term End: | March 3, 1811 |
| Predecessor: | John G. Jackson |
| Successor: | Thomas Wilson |
| Office2: | Member of the Virginia House of Delegates from Ohio County |
| Term2: | 1824–1825 Alongside Jacob Zachariah, Isaac Leffler |
| Term3: | 1820 Alongside Moses Chapline |
| Term4: | 1806 Alongside William Irwin |
| Term5: | 1803 Alongside John Morgan |
| Term6: | 1801 Alongside Henry Smith |
| Term7: | 1799–1800 Alongside John Morgan, Henry Smith |
| Term8: | 1798 Alongside Archibald Woods |
William McKinley was a U.S. Representative from Virginia.
Born in Virginia, McKinley completed preparatory studies. He served as member of the Virginia House of Delegates from Ohio County, Virginia (now part of West Virginia) from 1798 to 1804, 1806, and 1807.
McKinley was elected as a Democratic-Republican to the Eleventh Congress to fill the vacancy caused by the resignation of United States Representative John G. Jackson and served from December 21, 1810 to March 3, 1811.
He later served again as member of the Virginia House of Delegates, 1820, 1821, and 1824–1826.