There are 99 mathematicians whose last name begin with IG.
| Iga, Kevin | Stanford University | 1998 |
| Igamberdiev, Alexander | Universität Münster | 2016 |
| Igami, Mitsuru | University of California, Los Angeles | 2012 |
| Igarashi, Ayumi | University of Oxford | 2018 |
| Igarashi, Masahiro | Nagoya University | 2013 |
| Igari, Katsuju | Kyoto University | 1980 |
| Igasto (Olsén), Christina | Umeå University | 2008 |
| Igawa, Takayuki | Graduate University for Advanced Studies | 2014 |
| Igbida, Noureddine | Université de Franche-Comté | 1997 |
| Ige, Thomas | University of Wisconsin-Madison | 1949 |
| Igehy, Robert | Stanford University | 2000 |
| Igel, Adele | Colorado State University | 2015 |
| Igel, Anuschka | Technische Universität Kaiserslautern | 2015 |
| Igel, Burkhard | Universität Dortmund | 1989 |
| Igel, Christian | Universität Bielefeld | 2002 |
| Igel, Matthew | Colorado State University | 2014 |
| Igenberlina, Alua | Eurasian National University | 2008 |
| Igescu, Iulia | University of Pittsburgh | 2000 |
| Iggidr, Abderrahman | Université de Metz | 1992 |
| Ighedo, Oghenetega | University of South Africa | 2014 |
| Igisinov, Sabit | Al-Farabi Kazakh National University | 2013 |
| Igisinov, Sabit | Eurasian National University | 2013 |
| Igl, Bernd-Wolfgang | Universität Bern | 2004 |
| Iglarsh, Harvey | Cornell University | 1971 |
| Iglberger, Klaus | Friedrich-Alexander-Universität Erlangen-Nürnberg | 2010 |
| Iglehart, Donald | Stanford University | 1961 |
| Iglehart, Patricia | Stevens Institute of Technology | 1996 |
| Igler, Bodo | Friedrich-Alexander-Universität Erlangen-Nürnberg | 1998 |
| Igler, Michael | Universität Bayreuth | 2011 |
| Iglesias, Begoña | Universidad de Vigo | 2002 |
| Iglesias, Jorge | Universidad de la Republica, Montevideo, Uruguay | 2006 |
| Iglesias, José | Chalmers Tekniska Högskola | 2023 |
| Iglesias, Marco | University of Texas at Austin | 2008 |
| Iglesias, Nahid | Université de Genève | 2008 |
| Iglesias, Pablo | University of Cambridge | 1991 |
| Iglesias, Rodrigo | Universidad Nacional de Córdoba | 2002 |
| Iglesias-Gonzalez, Sigfrido | University of Toronto | 2007 |
| Iglesias-Ham, Mabel | Institute of Science and Technology Austria | 2018 |
| Iglesias-Leon, Juan | New Mexico State University | 2001 |
| Iglesias Martínez, José Alberto | Universität Wien | 2015 |
| Iglesias Martínez, Miguel Enrique | Universitat Politècnica de València | 2020 |
| Iglesias Olle, Laura | Université de Genève | 2022 |
| Iglesias Ponte, David | Universidad de La Laguna | 2003 |
| Iglesias Valiño, Oscar | Universidad de Cantabria | 2021 |
| Iglesias-Zemmour, Patrick | Université de Provence | 1985 |
| Iglesias Zuazola, Pilar | Universidade de São Paulo | 1993 |
| Iglewicz, Boris | Virginia Polytechnic Institute and State University | 1967 |
| Iglisch, Rudolf | Universität Berlin | 1928 |
| Iglitsky, Alexander | Lomonosov Moscow State University | 2006 |
| Iglói, Endre | University of Debrecen | 2009 |
| Igna, Georgeta | Radboud Universiteit Nijmegen | 2013 |
| Ignacio, Paul Samuel | The University of Iowa | 2019 |
| Ignacio García García, Juan | ||
| Ignaczak, Ewa | Uniwersytet Łódzki | 1988 |
| Ignaczak, Paweł | Uniwersytet Łódzki | 1989 |
| Ignall, Edward | Cornell University | 1966 |
| Ignat, Calin | Alexandru Ioan Cuza University of Iasi | 1974 |
| Ignat, Iosif | ||
| Ignat, Liviu | Universidad Autónoma de Madrid | 2006 |
| Ignat, Oana | University of Michigan | 2022 |
| Ignat, Radu | Université Pierre-et-Marie-Curie - Paris VI | 2006 |
| Ignataviciute, Jolita | Vilniaus universitetas | 2003 |
| Ignatev, Mikhail | Samara State University | 2010 |
| Ignat'ev, Yury | ||
| Ignatʹev, Victor | 1988 | |
| Ignatʹev, Victor | 1974 | |
| Ignatiadis, Nikolaos | Stanford University | 2022 |
| Ignatiev, Mikhail | Saratov State University | 1999 |
| Ignatieva, Katja | Macquarie University | 2012 |
| Ignatius, Josuha | ||
| Ignatov, Dmitry | Russian Academy of Sciences | 2010 |
| Ignatov, Yuri | Tula State University | |
| Ignatova, Iliana | University of South Carolina | 2007 |
| Ignatova, Mihaela | University of Southern California | 2011 |
| Ignatova, Temenushka | Universität Rostock | 2008 |
| Ignatovich, Svetlana | Vasyl Karazin Kharkiv National University | 1995 |
| Ignatyev, Oleksiy | Kent State University | 2008 |
| Ignatyeva, Natalya | Peoples' Friendship University, Moscow | 1991 |
| Ignatyuk, Irina | Lomonosov Moscow State University | 1989 |
| Ignazio, Vincenzo | ETH Zürich | 2020 |
| Ignetik, Rainer | Monash University | 1978 |
| Ignjatov, Nemanja | Universität Wien | 2022 |
| Ignjatovic, Aleksandar | University of California, Berkeley | 1990 |
| Ignjatović, Jelena | University of Niš | 2007 |
| Igodt, Paul | Katholieke Universiteit Leuven | 1984 |
| Igonin, Sergei | Universiteit Twente | 2003 |
| Igor, Tydniouk | ||
| Igorevna, Udodova | Vasyl Karazin Kharkiv National University | 2004 |
| Igoshev, Andrei | Radboud Universiteit Nijmegen | 2017 |
| Igoshin, Vladimir | Institute of Mathematics, Moldavian Academy of Science | 1982 |
| Iguchi, Kazumoto | University of Utah | 1990 |
| Iguchi, Takayuki | Florida State University | 2022 |
| Iguda, Abdul | Bayero University | 2005 |
| Iguernelala, Mohamed | Université Paris-Sud XI - Orsay | 2013 |
| Igusa, Gregory | University of California, Berkeley | 2013 |
| Igusa, Jun-Ichi | Kyoto University | 1953 |
| Igusa, Kiyoshi | Princeton University | 1978 |
| Igwe, Jerome | University of Texas at Dallas | 1989 |
| Igwe, Tobenna | University of Liverpool | 2018 |