There are 4 mathematicians whose last name begin with OPD.
| Opdam, Eric | Universiteit Leiden | 1988 |
| Opdam, Joannes | Universiteit van Amsterdam | 1988 |
| Opdenhövel, Ansgar | Universität Duisburg-Essen | 1999 |
| Opderbeck, Holger | University of California, Los Angeles | 1973 |