There are 8 mathematicians whose last name begin with OTI.
| Otieno, Alego | Kenyatta University | 1987 |
| Otieno, Alfred | University of California, Berkeley | 1973 |
| Otieno, Bennett | Virginia Polytechnic Institute and State University | 2002 |
| Otieno, Mourice | University of Nairobi | 2002 |
| Otieno, Romanus | Kenyatta University | 1995 |
| Otillar, Robert | University of California, San Francisco | 2001 |
| Otiman, Alexandra Iulia | University of Bucharest | 2017 |
| Otis, Russell | California Institute of Technology | 1924 |