There are 31 mathematicians whose last name begin with GIS.
| Giscard, Pierre-Louis | University of Oxford | 2014 |
| Gischer, Jay | Stanford University | 1984 |
| Gischner, Burton | Brown University | 1972 |
| Gisclon, Marguerite | Université Claude Bernard Lyon 1 | 1994 |
| Giselsson, Pontus | ||
| Gishboliner, Lior | Tel Aviv University | 2020 |
| Gishe, Jemal | University of South Florida | 2006 |
| Gishkori, Shahzad | Technische Universiteit Delft | 2014 |
| Gisi, Erwin | Universität Zürich | 1924 |
| Gisiger, Thomas | 1996 | |
| Gisin, Nicolas | Université de Genève | 1982 |
| Gisin, V. | Moscow State Pedagogical Institute | |
| Giske, Jarl | ||
| Gísladóttir, Jóhanna | Stanford University | 1993 |
| Gislason, Eric | Harvard University | 1967 |
| Gislason, Gary | University of Oregon | 1970 |
| Gisler, Alois | ETH Zürich | 1980 |
| Gisler, Katja | Universität St.Gallen | 2016 |
| Gismatullin, Jakub | Uniwersytet Wrocławski | 2009 |
| Gismero-Menoyo, Javier | Universidad Politécnica de Madrid | 1989 |
| Gismondi, Stephen | University of Guelph | 1996 |
| Gisolf, Andries | Universiteit Utrecht | 1975 |
| Gisonni, Massimo | Scuola Internazionale Superiore di Studi Avanzati (SISSA) | 2022 |
| Gispen, Willem-Hendrik | Universiteit Utrecht | 1970 |
| Gispert, Hans-Günther | Martin-Luther-Universität Halle-Wittenberg | 1956 |
| Gispert, Hélène | ||
| Gispert, Jacques | Aix-Marseille Université | 1975 |
| Gispert i Brasó, Joan | Universidad de Barcelona | 1998 |
| Gisselquist, Richard | Dartmouth College | 1970 |
| Gissibl, Nadine | Technische Universität München | 2018 |
| Gissot, Samuel | Université Catholique de Louvain | 2009 |