There are 55 mathematicians whose last name begin with GAY.
| Gay, Albert | Université de Paris | 1930 |
| Gay, Claudine | Harvard University | 1997 |
| Gay, David | University of California, Berkeley | 2001 |
| Gay, David | University of California, Berkeley | 1999 |
| Gay, David | Cornell University | 1975 |
| Gay, David | Dartmouth College | 1966 |
| Gay, Edwin | Universität Berlin | 1902 |
| Gay, Etienne | Université Paris Diderot - Paris 7 | 2019 |
| Gay, James | University of Leeds | 2016 |
| Gay, Jean-Claude | ||
| Gay, Joël | Université Paris-Sud XI - Orsay | 2018 |
| Gay, Matthias | Rijksuniversiteit Groningen | 2017 |
| Gay, Matthias | Ingenieurhochschule Mittweida | 2017 |
| Gay, Randall | Auburn University | 2021 |
| Gay, Richard | University of California, Los Angeles | 1977 |
| Gay, Richard | Technische Universität Darmstadt | 2017 |
| Gay, Roger | Université Louis Pasteur - Strasbourg I | 1976 |
| Gay, Romain | École Normale Supérieure Paris | 2019 |
| Gay, Sebastien | The University of Chicago | 2006 |
| Gay, Stephen | ||
| Gay-Balmaz, François | École Polytechnique Fédérale de Lausanne (EPFL) | 2009 |
| Gaybullaev, Rustamjon | National University of Uzbekistan | 2022 |
| Gaydadjiev, Georgi | Technische Universiteit Delft | 2007 |
| Gaydon, John | Purdue University | 1963 |
| Gaydos, Brenda | The Pennsylvania State University | 1997 |
| Gaydos, Eugene | Rutgers University, New Brunswick | 1973 |
| Gaydos, Travis | The University of North Carolina at Chapel Hill | 2008 |
| Gaydu, Michael | Université Antilles-Guyane | 2010 |
| Gaye, Masseye | Université Pierre-et-Marie-Curie - Paris VI | 2008 |
| Gaye, Moussa | École Polytechnique | 2014 |
| Gaye, Oumar | Université d'Angers | 2012 |
| Gayek, Jonathan | University of Arizona | 1984 |
| Gayen, Anil Kumar | University of Cambridge | 1950 |
| Gayen, Bishakhdatta | University of California, San Diego | 2012 |
| Gayen, Sutanu | University of Nebraska-Lincoln | 2019 |
| Gayer, Arthur | University of Oxford | 1927 |
| Gayer, Tobias | Universität Augsburg | 2003 |
| Gayet, Damien | 2000 | |
| Gayfulin, Dmitrii | Lomonosov Moscow State University | 2016 |
| Gayin, A. | ||
| Gayle, George-Levi | University of Pittsburgh | 2004 |
| Gayle, Philip | University of Colorado Boulder | 2002 |
| Gayle, Richard | University of Oregon | 1993 |
| Gayle, Thomas | The University of North Carolina at Chapel Hill | 2010 |
| Gaylor, David | North Carolina State University | 1960 |
| Gaylor, Richard | Florida State University | 1976 |
| Gay-Lussac, Joseph | École Polytechnique | |
| Gay-Lussac, Joseph | École Nationale des Ponts et Chaussées | |
| Gayme, Dennice | California Institute of Technology | 2010 |
| Gaynanova, Irina | Cornell University | 2015 |
| Gaynor, John | University of Illinois at Urbana-Champaign | 1976 |
| Gaynor, Mark | Harvard University | 2001 |
| Gayoso, María Antonieta | Universidad de Oviedo | 2016 |
| Gayrard, Véronique | Université de la Méditerranée | 1993 |
| Gayraud, Ghislaine | Université Pierre-et-Marie-Curie - Paris VI | 1997 |