| Case Name ▲ | Citation | Year | Distance from slave case(s) | Law Type | Jurisdiction |
|---|---|---|---|---|---|
| Read v. Howe | 13 Iowa 50 | 1862 | 1 | Iowa | |
| Reeves & Co. v. Sebern | 16 Iowa 234 | 1864 | 1 | Iowa | |
| Reiger v. Turley | 151 Iowa 491 | 1911 | 1 | Iowa | |
| Rhynas v. Keck | 179 Iowa 422 | 1917 | 1 | Iowa | |
| Richardson v. Fitzgerald | 132 Iowa 253 | 1906 | 1 | Iowa | |
| Richart v. Richart | 30 Iowa 465 | 1870 | 1 | Iowa | |
| Ringstad v. Hanson | 150 Iowa 324 | 1911 | 1 | Iowa | |
| Ring v. Lund | 132 Iowa 216 | 1906 | 1 | Iowa | |
| Roberts v. Albright | 2 Greene 120 | 1849 | 1 | Iowa | |
| Roberts v. McMahan | 4 Greene 34 | 1853 | 1 | Iowa | |
| Robinson v. Gould | 26 Iowa 89 | 1868 | 1 | Iowa | |
| Rock & Son v. Singmaster | 62 Iowa 511 | 1883 | 1 | Iowa | |
| Roddowig v. Steffen | 120 Iowa 85 | 1903 | 1 | Iowa | |
| Rodemacher v. Mil. & St. P. R’y Co. | 41 Iowa 297 | 1875 | 1 | Iowa | |
| Rogers v. Hanson & Co. | 35 Iowa 283 | 1872 | 1 | Iowa | |
| Rohlf v. Kasemeier | 140 Iowa 182 | 1908 | 1 | Iowa | |
| Rohrig v. Whitney | 234 Iowa 435 | 1944 | 1 | Iowa | |
| Roten v. Tesdell | 195 Iowa 1329 | 1923 | 1 | Iowa | |
| Rudolf v. Covell | 5 Iowa 525 | 1858 | 1 | Iowa | |
| Rule v. Carey | 178 Iowa 184 | 1916 | 1 | Iowa |