There are 31 mathematicians whose last name begin with MESSI.
| Mesiar, Radko | Comenius University | 1979 |
| Mesiarová, Andrea | Slovak Academy of Science | 2005 |
| Mesihović, Behdžet | University of Sarajevo | 1987 |
| Mesina, George | University of Pittsburgh | 1988 |
| Mesinga Mwafise, Arnauld | Waterford Institute of Technology | 2017 |
| Mesirov, Jill | Brandeis University | 1974 |
| Messiah, Albert | University of Rochester | 1952 |
| Messias, Marcelo | Universidade de São Paulo | 2000 |
| Messias Martins, Rafael | Rijksuniversiteit Groningen | 2016 |
| Messick, Charles | The University of Chicago | 1930 |
| Messick, John | The Johns Hopkins University | 1906 |
| Messick, R. | ||
| Messick, Samuel | Princeton University | 1957 |
| Messick, Scott | 2016 | |
| Messier, William | Indiana University | 1987 |
| Messikh, Reda | Université Paris-Sud XI - Orsay | 2004 |
| Messina, Francesca | Università di Torino | 2000 |
| Messina, Francesca | Università di Genova | 2000 |
| Messina, Paul | University of Cincinnati | 1972 |
| Messina, Paul | University of South Africa | 2004 |
| Messine, Frédéric | Université de Toulouse | 1997 |
| Messing, Wilhelm | Westfälische Wilhelms-Universität Münster | 1983 |
| Messing, William | Princeton University | 1971 |
| Messinger, Eli | University of Washington | 1988 |
| Messinger, Margaret-Ellen | Dalhousie University | 2008 |
| Messinger, Martin | Polytechnic University | 1967 |
| Messi Nguele, Thomas | Université de Yaoundé I | 2018 |
| Messi Nguele, Thomas | Université Grenoble Alpes | 2018 |
| Messirdi, Wahiba | Institut de Mathématiques de Toulouse | 2013 |
| Messiter, Jr., Arthur | California Institute of Technology | 1957 |
| Messitt, Donald | Rensselaer Polytechnic Institute | 1999 |