Outerbridge Horsey
| Outerbridge Horsey | |
|---|---|
| United States Senator from Delaware | |
| In office January 12, 1810 – March 3, 1821 | |
| Preceded by | Samuel White | 
| Succeeded by | Caesar Augustus Rodney | 
| 4th Attorney General of Delaware | |
| In office 1806–1810 | |
| Governor | Nathaniel Mitchell George Truitt | 
| Preceded by | Nicholas Van Dyke | 
| Succeeded by | Thomas Clayton | 
| Personal details | |
| Born | March 5, 1777 Sussex County, Delaware, US | 
| Died | June 9, 1842 (aged 65) Frederick County, Maryland, US | 
| Political party | Federalist | 
| Spouse | Eliza Lee | 
| Residence(s) | Georgetown, Delaware, US Wilmington, Delaware, US | 
| Profession | Lawyer | 
Outerbridge Horsey III (March 5, 1777 – June 9, 1842) was an American lawyer and politician. He was a member of the Federalist Party, who served in the Delaware General Assembly, as the 4th Attorney General of Delaware from 1806 to 1810 and as United States Senator from Delaware from 1810 to 1821.