There are 7 mathematicians whose last name begin with IRO.
| Irobi, Ijeoma Sandra | Technische Universiteit Delft | 2011 |
| Irodova, Irina | Yaroslavl State University | |
| Iron, David | University of British Columbia | 2001 |
| Irons, Edgar | ||
| Irons, Nicholas | University of Washington | 2024 |
| Irony, Dror | Tel Aviv University | 2005 |
| Iroz, Juana | University of California, Riverside | 1982 |