There are 23 mathematicians whose last name begin with MARIO.
| Marion, Bruce | The Ohio State University | 1963 |
| Marion, Claude | Imperial College London | 2009 |
| Marion, Glenn | The University of Edinburgh | 1996 |
| Marion, Jacques | University of Ottawa | 1978 |
| Marion, Jean | Aix-Marseille Université | 1985 |
| Marion, Jean-Luc | Université Paris-Sud XI - Orsay | 1995 |
| Marion, Jean-Yves | Université Paris Diderot - Paris 7 | 1991 |
| Marion, Joseph | Duke University | 2018 |
| Marion, Justin | The University of Chicago | 2005 |
| Marion, Martine | Université Paris-Sud XI - Orsay | 1988 |
| Marion, Mathieu | University of Oxford | 1991 |
| Marion, Michael | The University of North Carolina at Chapel Hill | 1998 |
| Marioni, John | University of Cambridge | 2007 |
| Mariot, Luca | Università degli Studi di Milano-Bicocca | 2018 |
| Mariot, Luca | Université Côte d'Azur | 2018 |
| Mariotti, Alberto | ||
| Mariotti, Annarita | Université Pierre-et-Marie-Curie - Paris VI | |
| Mariotti, Marco | University of Cambridge | 1992 |
| Mariotti, Maria Alessandra | ||
| Mariotti, Martine | University of California, Los Angeles | 2008 |
| Mariotti, Thomas | Université de Toulouse | 1998 |
| Mariotto, Angela | University of London | |
| Mariou, Benoit |