There are 29 mathematicians whose last name begin with IRA.
| Ira, Michael | University of Nebraska-Lincoln | 2000 |
| Irabor, Kehinde | Marquette University | 2019 |
| Iraci, Alessandro | Université Libre de Bruxelles | 2019 |
| Iraci, Alessandro | Università di Pisa | 2019 |
| Iragi, Bakulikira | University of the Western Cape | 2024 |
| Iragi, Minani | University of the Western Cape | 2019 |
| Iragne, Florian | Université Bordeaux 1 | 2007 |
| Irandous-pakchin, Safar | ||
| Irandoust-pakchin, Safar | 2012 | |
| Irani, Arya | Georgia Institute of Technology | 2015 |
| Irani, Keki | ||
| Irani, Michal | Hebrew University of Jerusalem | 1994 |
| Irani, Sandra | University of California, Berkeley | 1991 |
| Iraniparast, Maryam | University of Waterloo | 2020 |
| Iranmanesh, Ali | Tarbiat Modares University | 1995 |
| Iranmanesh, Mohammadali | Iran University of Science and Technology | 1998 |
| Iranmanesh, Mohammadali | University of Western Australia | 1998 |
| Iranmenesh, Mehdi | 2007 | |
| Irannezhad, Setareh | Semnan University | 2017 |
| Iranzo Aznar, Maria Jesús | Universidad de Zaragoza | 1974 |
| Iraola, Miguel | Universidad Carlos III de Madrid | 2009 |
| Iraoui, Wafa | Université de Pau et des Pays de l'Adour | |
| Iraqi, Youssef | Université de Montréal | 2003 |
| Iraqui, Samir | University Sidi Mohamed Ben Abdellah, Fès | 2004 |
| Iraschko, Rainer | University of Alberta | 1997 |
| Irastorza, Christine | Université Pierre-et-Marie-Curie - Paris VI | 1984 |
| Iravani, Mina M | Hong Kong University of Science and Technology | 2023 |
| Iravani, Seyed | University of Toronto | 1997 |
| Irawati, | Institut Teknologi Bandung | 2004 |