There are 4 mathematicians whose last name begin with OHR.
| Ohrhallinger, Stefan | Concordia University | 2012 |
| Ohring, Peter | University of Colorado at Boulder | 1987 |
| Ohrmann, Tobias | Universität Hamburg | 2018 |
| Ohrysko, Przemysław | Institute of Mathematics, Polish Academy of Sciences | 2016 |