| Invention or discovery | Inventor or discoverer | Type |
|---|---|---|
| Babm | Rikichi Okamoto | planned language |
| Geodetic graph | Øystein Ore | — |
| Hadron | Lev Okun | type of quantum particle |
| Tsou plot | Chen-Lu Tsou | plot |
| 3474 Linsley | Indiana Asteroid Program | asteroid |
| 3961 Arthurcox | Indiana Asteroid Program | asteroid |
| 3882 Johncox | Indiana Asteroid Program | asteroid |
| 5409 Saale | Freimut Börngen | asteroid |