This is a list of all the United States Supreme Court cases from volume 81 of the United States Reports:
| Case name | Citation | Decided date |
|---|---|---|
| United States v. Crusell | 81 U.S. 1 | |
| Cockroft v. Vose | 81 U.S. 5 | |
| Bank of West Tennessee v. Citizens' Bank of Louisiana | 81 U.S. 9 | |
| Palmer v. Marston | 81 U.S. 10 | |
| Sevier v. Haskell | 81 U.S. 12 | |
| Steings v. Franklin County | 81 U.S. 15 | |
| Kennebec Railroad v. Portland Railroad | 81 U.S. 23 | |
| Bartemeyer v. Iowa | 81 U.S. 26 | |
| Ward v. United States | 81 U.S. 28 | |
| Henderson's Distilled Spirits | 81 U.S. 44 | |
| Christmas v. Russell | 81 U.S. 69 | |
| Hurley v. Street | 81 U.S. 85 | |
| Traders' Bank v. Campbell | 81 U.S. 87 | |
| The Thames | 81 U.S. 98 | |
| Mahan v. United States | 81 U.S. 109 | |
| Foulke v. Zimmerman | 81 U.S. 113 | |
| The Bridgeport | 81 U.S. 116 | |
| Armstrong v. Morrill | 81 U.S. 120 | |
| Ex Parte Newman | 81 U.S. 152 | |
| The Scotia | 81 U.S. 170 | |
| The Java | 81 U.S. 189 | |
| The Merrimac | 81 U.S. 199 | |
| The Mabey and Cooper | 81 U.S. 204 | |
| Caperton v. Bowyer | 81 U.S. 216 | |
| Caperton v. Ballard | 81 U.S. 238 | |
| Gibson v. Warden | 81 U.S. 244 | |
| Hook v. Payne | 81 U.S. 252 | |
| The Vaughan and Telegraph | 81 U.S. 258 | |
| The Cayuga | 81 U.S. 270 | |
| Easley v. Kellom et al. | 81 U.S. 279 | |
| City of Lexington v. Butler | 81 U.S. 282 | |
| Bigler v. Waller | 81 U.S. 297 | 1853 |
| Dent v. Emmeger | 81 U.S. 308 | |
| French v. Shoemaker | 81 U.S. 314 | |
| The Laura | 81 U.S. 336 | |
| The Continental | 81 U.S. 345 | |
| Pugh v. McCormick | 81 U.S. 361 | |
| Insurance Companies v. Weides | 81 U.S. 375 | |
| Bank of Bethel v. Pahquioque Bank | 81 U.S. 383 | |
| O'Dowd v. Russell | 81 U.S. 402 | |
| The Steamer Webb | 81 U.S. 406 | |
| Smith v. Mason Assignee | 81 U.S. 419 | |
| Mowry v. Whitney | 81 U.S. 434 | |
| Improvement Company v. Munson | 81 U.S. 442 | |
| Nicolson Pavement Company v. Jenkins | 81 U.S. 452 | |
| United States v. Ballard et al. | 81 U.S. 457 | |
| Black v. Curran | 81 U.S. 463 | |
| Dolton v. Cain | 81 U.S. 472 | |
| Cross v. United States (1871) | 81 U.S. 479 | |
| Dirst v. Morris | 81 U.S. 484 | |
| Collins v. Riggs | 81 U.S. 491 | |
| United States v. Powell | 81 U.S. 493 | |
| Phoenix Insurance Company v. Hamilton | 81 U.S. 504 | |
| Gorham Company v. White | 81 U.S. 511 | |
| Morgan v. United States | 81 U.S. 531 | |
| United States v. Justice | 81 U.S. 535 | |
| United States v. Hunt | 81 U.S. 550 | |
| Turner v. Smith | 81 U.S. 553 | |
| Gregg v. Moss | 81 U.S. 564 | |
| Philpot v. Gruninger | 81 U.S. 570 | |
| The Delaware | 81 U.S. 579 | |
| Leary v. United States | 81 U.S. 607 | |
| Erskine Collector v. Hohnbach | 81 U.S. 613 | |
| The Key City | 81 U.S. 653 | |
| Delmas v. Insurance Company | 81 U.S. 661 | |
| Propeller Company v. United States | 81 U.S. 670 | |
| Willard v. Presbury | 81 U.S. 676 |
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