There are 23 mathematicians whose last name begin with ONO.
| Ono, Hiroakira | Kyoto University | 1973 |
| Ono, Hiroshi | Brown University | 1975 |
| Ono, Kaoru | University of Tokyo | 1990 |
| Ono, Katsuhiko | Kyushu University | 2012 |
| Ono, Ken | University of California, Los Angeles | 1993 |
| Ono, Kinya | Boston University | 2001 |
| Ono, Maiko | Okayama University | 2018 |
| Ono, Masataka | Keio University | 2017 |
| Ono, Sadayuki | University of Virginia | 2004 |
| Ono, Takashi | Nagoya University | 1958 |
| Ono, Tamio | University of California, Berkeley | 1961 |
| Onodera, Courtney | University of California, Santa Cruz | 2011 |
| Onofrei, Daniel | Worcester Polytechnic Institute | 2007 |
| Onofrei, Silvia | Kansas State University | 2003 |
| Onofri, Elia | Università degli Studi di Roma Tre | 2023 |
| Onoi, Vasily | Institute of Mathematics, Moldavian Academy of Science | 1973 |
| Onoja, Abu | University of Agriculture, Makurdi | 2015 |
| Onorati, Claudio | University of Bath | 2018 |
| Onose, Nicola | University of California, San Diego | 2009 |
| Ono-Tesfaye, Theodore | University of Alberta | 2000 |
| Onoue, Fumihiko | Scuola Normale Superiore di Pisa | 2022 |
| Onoue, Fumihiko | Scuola Normale Superiore di Pisa | 2022 |
| Onozuka, Tomokazu | Nagoya University | 2014 |