There are 7 mathematicians whose last name begin with OGR.
| Ograin, Chris | University of California, Irvine | 2010 |
| Ögren, P. | Kungliga Tekniska Högskolan (KTH) | 2003 |
| Ogrodnik, Brooke | Rutgers University, New Brunswick | 2021 |
| Ogrodnik, Marcel | Imperial College London | 2017 |
| Ogrodnik, Władysław | Uniwersytet im. Adama Mickiewicza w Poznaniu | 1978 |
| Ogrokhina, Olena | University of Houston | 2013 |
| Ogruk, Gokcen | University of Houston | 2013 |