There are 19 mathematicians whose last name begin with OPR.
| Oprea, Alina | Carnegie Mellon University | 2007 |
| Oprea, Dragos | Massachusetts Institute of Technology | 2005 |
| Oprea, Florian | Carnegie Mellon University | 2008 |
| Oprea, Iuliana | Université de Nice-Sophia Antipolis | 1994 |
| Oprea, Janeal | The Ohio State University | 1984 |
| Oprea, John | The Ohio State University | 1982 |
| Oprea, Ryan | George Mason University | 2006 |
| Oprea, Teodor Vasile | Universitatea Politehnica din Bucuresti | 2006 |
| Oprei-Winter, Adriana | Transilvania University of Brasov | 2004 |
| Oprescu, Ana-Maria | Vrije Universiteit Amsterdam | 2013 |
| Oprina, Andrei | Institute of Mathematics, Bucharest | 2013 |
| Opris, Bogdan | Babeş-Bolyai University | 2018 |
| Oprisan, Adina | University of Texas at Arlington | 2009 |
| Oprisanu, Bristena | University College London | 2021 |
| Oprocha, Piotr | Uniwersytet Jagielloński | 2005 |
| Oproiu, Tiberiu | Babeş-Bolyai University | 1975 |
| Oproiu, Vasile | Alexandru Ioan Cuza University of Iasi | 1969 |
| Opron, Kristopher | Michigan State University | 2016 |
| Opršal, Jakub | Charles University | 2016 |