There are 27 mathematicians whose last name begin with IRI.
| Iriarte, Benjamin | Massachusetts Institute of Technology | 2015 |
| Iriarte, Edson Alex | Universidade Estadual de Campinas | 2004 |
| Iriarte, Hernán | Sorbonne Université | 2022 |
| Iriarte, Hernán | École Polytechnique | 2022 |
| Iribarrem, Alvaro | Universidade Federal do Rio de Janeiro | 2013 |
| Iričanin, Bratislav | Univerzitet u Novom Sadu | 2009 |
| Irick, Brian | University of Tennessee - Knoxville | 2010 |
| Irick, Paul | Purdue University | 1950 |
| Iridon, Mihaela | Southern Methodist University | 1999 |
| Irie, Kaoru | Duke University | 2016 |
| Irie, Kei | Kyoto University | 2012 |
| Irie, Robert | Massachusetts Institute of Technology | 2001 |
| Irie, Yosuke | Kyushu University | 2018 |
| Irigoien, Itziar | 2008 | |
| Irigoin, François | Université Pierre-et-Marie-Curie - Paris VI | 1987 |
| Irigoyen, Claudio | The University of Chicago | 2003 |
| Irimia, Daniel | Vrije Universiteit Amsterdam | 2010 |
| Irincheeva, Irina | Université de Genève | 2011 |
| Irion, Jeff | University of California, Davis | 2015 |
| Iriondo, Mirta | Kungliga Tekniska Högskolan (KTH) | 1994 |
| Irish, Elinor | University of Rochester | 2006 |
| Irish, Norman | Wayne State University | 1984 |
| Irish, William | University of Pittsburgh | 1999 |
| Iritani, Hiroshi | Kyoto University | 2005 |
| Iritsyan, V. | State Engineering University of Armenia | 2004 |
| Irizarry, Maria | North Carolina State University | 1996 |
| Irizarry, Rafael | University of California, Berkeley | 1998 |