There are 93 mathematicians whose last name begin with IA.
| Iaccarino, Gianluca | Politecnico di Bari | 2005 |
| Iachan, Felipe | Massachusetts Institute of Technology | 2012 |
| Iachan, Ronaldo | University of California, Berkeley | 1980 |
| Iachello, Giovanni | Georgia Institute of Technology | 2006 |
| Iachine, Ivan | Odense University | 2001 |
| Iacò, Maria Rita | Technische Universität Graz | 2014 |
| Iacò, Maria Rita | Università della Calabria | 2014 |
| Iacob, Alina | University of Kentucky | 2005 |
| Iacob, Andrei | Weizmann Institute of Science | 1986 |
| Iacob, Caius | Université Paris IV-Sorbonne | 1935 |
| Iacob, Eugenia Maria | Babeş-Bolyai University | 1998 |
| Iacob, Paul Corneliu | Babeş-Bolyai University | 1984 |
| Iacobacci, Rora | New York University | 1965 |
| Iacobacci, Susan | Purdue University | 2001 |
| Iacobelli, Francisco | Northwestern University | 2011 |
| Iacobelli, Giulio | Rijksuniversiteit Groningen | 2012 |
| Iacobelli, Mikaela | Università di Roma La Sapienza | 2015 |
| Iacobelli, Mikaela | École Polytechnique | 2015 |
| Iacobellis, Sam | University of California, Los Angeles | 1963 |
| Iacobucci, Dawn | University of Illinois at Urbana-Champaign | 1987 |
| Iacomini, Elisa | Università di Roma La Sapienza | 2020 |
| Iacone, Fabrizio | University of London | 2006 |
| Iacono, Donatella | Università di Roma La Sapienza | 2006 |
| Iacono, Giovanni | Scuola Internazionale Superiore di Studi Avanzati (SISSA) | 2012 |
| Iacono, John | Rutgers University, New Brunswick | 2001 |
| Iacono, William | ||
| Iacopini, Matteo | Université Pantheon-Sorbonne : Paris I | 2018 |
| Iacopini, Matteo | Università Cà Foscari Venezia | 2018 |
| Iacoviello, Matteo | London School of Economics and Political Science | 2002 |
| Iacovino, Vito | Massachusetts Institute of Technology | 2008 |
| Iacovou, Maria | University College London | 2002 |
| Iacus, Stefano | Le Mans Université | 1999 |
| Iadarola, Angelo | Université de Lille | 2021 |
| Iadicola, Mark | University of Michigan | 2002 |
| Iaffei, Bibiana | Universidad Nacional del Litoral | 1997 |
| Iagar, Razvan | Universidad Autónoma de Madrid | 2010 |
| Iaia, Joseph | University of Pennsylvania | 1991 |
| Iakovenko, Sergei | Rheinische Friedrich-Wilhelms-Universität Bonn | 2022 |
| Iakovidis, Ilias | Texas Tech University | 1990 |
| Iakovleva, Ekaterina | Université Grenoble Alpes | 2022 |
| Iakovleva, Ekaterina | École Polytechnique | 2004 |
| Iakovleva, Valentina | Universidad Simón Bolívar | 2009 |
| Iakovou, Eleftherios | ||
| Iakunin, Sergei | Universidad Carlos III de Madrid | 2019 |
| Iakymchuk, Roman | Rheinisch-Westfälische Technische Hochschule Aachen | 2012 |
| Ialenti, Roberto | Università degli Studi di Napoli Federico II | 2017 |
| Iambartsev, Anatoli | Lomonosov Moscow State University | 1999 |
| Iamnitchi, Adriana | The University of Chicago | 2003 |
| Iampietro, David | Aix-Marseille Université | 2018 |
| Iamratanakul, Dhanakorn | University of Washington | 2007 |
| Iams, Sarah | Cornell University | 2014 |
| Iamthong, Kittitat | University of Strathclyde | 2021 |
| Ianakiev, Krassimir | State University of New York at Buffalo | 2000 |
| Ianakiev, Krassimir | State University of New York at Buffalo | 1998 |
| Iancu, Craciun | Babeş-Bolyai University | 1983 |
| Iancu, Dan | Massachusetts Institute of Technology | 2010 |
| Iancu, Gheorghe | York University | 1999 |
| Iancu, Ion | University of Bucharest | 1997 |
| Iancu, Mihaela | York University | 2001 |
| Iancu, Mirela | The University of Iowa | 2000 |
| Ianculescu, George | Carnegie Mellon University | 1979 |
| Iandola, Forrest | University of California, Berkeley | 2016 |
| Iandoli, Felice | Scuola Internazionale Superiore di Studi Avanzati (SISSA) | 2018 |
| Ianella, Nicolangelo | ||
| Ianetz, Shlomo | Bar-Ilan University | 1990 |
| Iannazzo, Bruno | Università di Pisa | 2007 |
| Iannella, Nicolangelo | 2009 | |
| Iannelli, Luigi | Università degli Studi di Napoli Federico II | 2003 |
| Iannelli, Mimmo | Università di Roma La Sapienza | 1968 |
| Ianni, Giovambattista | Università della Calabria | 2002 |
| Ianni, Isabella | Scuola Internazionale Superiore di Studi Avanzati (SISSA) | 2009 |
| Ianni, Jerry | City University of New York | 2001 |
| Iannone, Paola | University of East Anglia | 1995 |
| Iannucci, Douglas | Temple University | 1995 |
| Iannucci, Robert | Massachusetts Institute of Technology | 1988 |
| Iannuzzi, Andrea | Ruhr-Universität Bochum | 1997 |
| Iannuzzi, Mario | Università di Pisa | 1958 |
| Iano, Maria | University of Warwick | 1990 |
| Iansiti, Marco | Harvard University | 1988 |
| Iantchenko, Alexei | Universitetet i Oslo | 1995 |
| Iantchev, Emil | The University of Chicago | 2006 |
| Ianus, Iuliana | Carnegie Mellon University | 2002 |
| Ianus, Stere | University of Bucharest | 1971 |
| Iapichino, Laura | École Polytechnique Fédérale de Lausanne | 2012 |
| Iaralov, Vadim | Princeton University | 2013 |
| Iarrobino, Jr., Anthony | Massachusetts Institute of Technology | 1970 |
| Iaryczower, Matias | University of California, Los Angeles | 2005 |
| Iasnogorodski, Roudolf | Université Pierre-et-Marie-Curie - Paris VI | 1979 |
| Iasonos, Alexia | State University of New York at Albany | 2002 |
| Iatan, Iuliana | University of Bucharest | |
| Iatrou, Apostolos | La Trobe University | 2003 |
| Iatsenko, Dmytro | Lancaster University | 2014 |
| Iavernaro, Felice | Università degli Studi di Bari | 1991 |