William B. Napton | |
|---|---|
 | |
| Judge of the Supreme Court of Missouri | |
| In office 1839–1851 | |
| Appointed by | Lilburn Boggs |
| Preceded by | John Cummins Edwards |
| In office 1857–1861 | |
| In office 1873–1881 | |
| 4th Attorney General of Missouri | |
| In office 1836–1839 | |
| Governor | Daniel Dunklin Lilburn Boggs |
| Preceded by | Robert William Wells |
| Succeeded by | Samuel Mansfield Bay |
| Personal details | |
| Born | March 23, 1808 Princeton, New Jersey, US |
| Died | January 8, 1883 (aged 74) Rural Saline County, Missouri, US |
| Spouse | Melinda (Williams) Napton |
| Alma mater | Princeton University University of Virginia |
William Barclay Napton (1808–1883) was an American politician and jurist from the state of Missouri. A Democrat, Napton served as the state's 4th Attorney General, and multiple terms on the Missouri Supreme Court.