There are 14 mathematicians whose last name begin with MARCA.
| Marcaida, Silvia | University of the Basque Country | 2006 |
| Marcaide Osoro, Juan-Maria | Massachusetts Institute of Technology | 1982 |
| Marçais, Guillaume | University of Maryland College Park | 2011 |
| Marcal, Leah | University of Wisconsin-Madison | 1996 |
| Marcal, Michael | New York University | 1982 |
| Marçal Leandro Gomide, Otávio | Universidade Estadual de Campinas | 2019 |
| Marcano, José | Universidad Central de Venezuela | 2005 |
| Marcano, Mariano | State University of New York at Stony Brook | 1998 |
| Marcantognini, Stefania | Universidad Central de Venezuela | 1990 |
| Marcantoni, Matteo | Rijksuniversiteit Groningen | 2025 |
| Marcantonini, Claudio | Massachusetts Institute of Technology | 2010 |
| Marcassa, Stefania | University of Minnesota - Twin Cities | 2009 |
| Marcati, Carlo | Sorbonne Université | 2018 |
| Marcati, Pierangelo | Università di Roma La Sapienza | 1976 |