There are 52 mathematicians whose last name begin with GIAN.
| Gianatti, Justina | Universidad Nacional de Rosario | 2017 |
| Gianazza, Ugo | ||
| Giancarlo, Raffaele | Columbia University | 1990 |
| Giancroce, Roberta | Università degli Studi dell'Aquila | 2018 |
| Giandrea, Michael | Boston College | 2002 |
| Gianella, Valerio | ETH Zürich | 2017 |
| Gianessi, Paolo | Université Sorbonne Paris Nord | 2014 |
| Gianforme, Giorgio | Università degli Studi di Roma Tre | 2009 |
| Giang, Dinh Thanh | Universidade de Lisboa | 2015 |
| Giang, Phan | University of Kansas School of Business | 2003 |
| Giangreco, Alejandro | 2019 | |
| Giangreco, Ivan | Universität Basel | 2018 |
| Giani, Annarita | Dartmouth College | 2006 |
| Giani, Guido | ||
| Giani, Stefano | University of Bath | 2008 |
| Gianini-Pettit, Jacqueline | Purdue University | 1974 |
| Giannakis, Georgios | University of Southern California | 1986 |
| Giannakopoulos, Antonios | ||
| Giannakopoulos, Fotios | Johannes Gutenberg-Universität Mainz | 1989 |
| Giannakopoulos, Thanasis | Universidade de Lisboa | 2022 |
| Giannakopoulos, Thanasis | Instituto Superior Técnico | 2022 |
| Giannakopoulou, Dimitra | Imperial College London | 1999 |
| Giannakos, Michail | Ionian University | 2012 |
| Giannakouros, Ioannis | Princeton University | 1994 |
| Giannella, Chris | Indiana University | 2004 |
| Giannelli, Eugenio | Royal Holloway, University of London | 2015 |
| Giannerini, Simone | London School of Economics and Political Science | 2001 |
| Giannessi, Franco | ||
| Giannetti, Flavio | University of Cambridge | 2002 |
| Gianni, Patrizia | ||
| Gianni, Roberto | ||
| Giannini, Luciano | Curtin University of Technology, Perth | 1990 |
| Giannini, Massimo | Università di Roma La Sapienza | 1995 |
| Gianniotis, Panagiotis | State University of New York at Stony Brook | 2013 |
| Giannitsi, Christina | Georgia Institute of Technology | 2023 |
| Giannitsis, Constantine | Massachusetts Institute of Technology | 2001 |
| Giannoni, Carlo | University of Pittsburgh | 1966 |
| Giannoni, Marc | Princeton University | 2001 |
| Giannopapa, Christina | King's College London | 2004 |
| Giannopoulos, Apostolos | University of Crete | 1993 |
| Giannopoulos, Panagiotis | Universiteit Utrecht | 2005 |
| Giannopoulou, Archontia | Ethnikón kai Kapodistriakón Panepistímion Athinón | 2012 |
| Giannotti, Fosca | Università di Pisa | |
| Giannoula, Christina | National Technical University of Athens | 2022 |
| Giannoulatou, Eleni | University of Oxford | 2011 |
| Giannuzzi, Davide | University of Minnesota - Twin Cities | 2016 |
| Gianola, Daniel | University of Wisconsin-Madison | 1975 |
| Gianotti, Gustavo | Universidad Nacional de Córdoba | 2014 |
| Gianotti, Ricardo | Universidad Nacional de La Plata | 1985 |
| Gianoulis, Tara | Yale University | 2009 |
| Giansiracusa, Jeffrey | University of Oxford | 2007 |
| Giansiracusa, Noah | Brown University | 2011 |