| Case Name ▲ | Citation | Year | Distance from slave case(s) | Law Type | Jurisdiction |
|---|---|---|---|---|---|
| State v. O'Conner | 13 La. Ann. 486 | 1858 | 0 | Louisiana | |
| State v. Odam | 70 Tenn. 220 | 1879 | 1 | Tennessee | |
| State v. O'Day | 41 Or. 495 | 1902 | 1 | Oregon | |
| State v. Ogden | 39 Or. 195 | 1901 | 1 | Oregon | |
| State v. Ohmer | 34 Mo. App. 115 | 1889 | 1 | Missouri | |
| State v. Old | 271 N.C. 341 | 1967 | 1 | North Carolina | |
| State v. Oleson | 26 Minn. 507 | 1880 | 1 | Minnesota | |
| State v. Oliver | 334 N.C. 513 | 1993 | 1 | North Carolina | |
| State v. O'Neil | 51 Kan. 651 | 1893 | 1 | Kansas | |
| State v. O'Neill | 114 Mo. App. 611 | 1905 | 1 | Missouri | |
| State v. On Gee How | 15 Nev. 184 | 1880 | 1 | Nevada | |
| State v. Orange & N. W. Ry. Co. | 181 S.W. 494 | 1915 | 1 | Texas | |
| State v. Ormond | 18 N.C. 119 | 1834 | 1 | North Carolina | |
| State v. Oscar | 52 N.C. 305 | 1859 | 0 | North Carolina | |
| State v. Oscar | 13 La. Ann. 297 | 1858 | 0 | Louisiana | |
| State v. O’Shea | 60 Kan. 772 | 1899 | 1 | Kansas | |
| State v. Ostrander | 30 Mo. 13 | 1860 | 1 | Missouri | |
| State v. Ostrander | 18 Iowa 435 | 1865 | 1 | Iowa | |
| State v. Ostwalt | 118 N.C. 1208 | 1896 | 1 | North Carolina | |
| State v. Owens | 109 Iowa 1 | 1899 | 1 | Iowa |