There are 5 mathematicians whose last name begin with OTO.
| Otobe, Tatsushi | University of Tokyo | 2009 |
| Otokita, Yoshihiro | Chiba University | 2017 |
| Otomo, Hiroshi | Tufts University | 2019 |
| Otomo, Yuko | Columbia University | 1998 |
| Otoum, Yazan | University of Ottawa | 2022 |