| Litigants: | United States v. Hartwell |
| Decidedate: | December 1 |
| Decideyear: | 1867 |
| Usvol: | 73 |
| Uspage: | 385 |
| Holding: | An Officer of the United States, as opposed to a mere employee, has a tenure, duration, emolument, and duties defined by law rather than by contract. |
| Majority: | Swayne |
| Joinmajority: | Chase, Nelson, Clifford, Davis |
| Dissent: | Miller |
| Joindissent: | Grier, Field |
| Lawsapplied: | U.S. Const. art. II, ยง 2, cl. 2 |
United States v. Hartwell, 73 U.S. 385 (1867), was a decision of the United States Supreme Court which defined the characteristics of an Officer of the United States. An Officer, as opposed to a mere government employee, has a tenure, duration, emolument, and duties defined by law as opposed by contract.