| Pacific State University |
0 |
| Pacific Geographical Institute of the Far Eastern Branch of the Russian Academy of Sciences |
1 |
| Osh Technological University |
5 |
| Oryol State University named after I. S. Turgenev |
1 |
| Orenburg State University |
5 |
| Orenburg State University |
3 |
| Orenburg State Pedagogical University |
2 |
| Orenburg State Agrarian University |
15 |
| Orel State University |
4 |
| Orel State Agrarian University |
11 |
