There are 24 mathematicians whose last name begin with REGA.
| Regaieg, Ons | University of Sfax | 2009 |
| Regal, Ronald | University of Minnesota - Twin Cities | 1975 |
| Regala, Benjamin | Brown University | 1989 |
| Regalado, Carlos | University of Dundee | 1997 |
| Regalia, Ferdinando | Universitat Pompeu Fabra | 1999 |
| Regalia, Martin | University of Wisconsin-Madison | 1978 |
| Regamey, Pierre | ||
| Regan, Amelia | University of Texas at Austin | 1997 |
| Regan, Blake | Ohio University | 2012 |
| Regan, Donough | University of Cambridge | 2011 |
| Regan, Francis | University of Michigan | 1932 |
| Regan, John | University of Cambridge | 2008 |
| Regan, Kenneth | University of Oxford | 1986 |
| Regan, Lynne | ||
| Regan, Margaret H. | University of Notre Dame | 2020 |
| Regan, Marian | York University | 1990 |
| Regan, Meredith | Harvard University | 1998 |
| Regan, Thomas | Wayne State University | 1991 |
| Regan, Tim | University of Sussex | 1991 |
| Regan, Tracy | University of Arizona | 2003 |
| Regani, Sai Deepika | University of Maryland College Park | 2021 |
| Regauer, Michael | Georg-August-Universität Göttingen | 1991 |
| Regazzini, Eugenio | ||
| Regazzoni, Francesco | Politecnico di Milano | 2020 |