There are 28 mathematicians whose last name begin with MACA.
| Maca, Jeffrey | Texas A&M University | 1997 |
| Macabea, Joyce | Boston University | 2004 |
| MacAdam, Ben | University of Calgary | 2021 |
| MacAdam, Keith | Harvard University | 1971 |
| Macaitiene, Renata | Vilniaus universitetas | 2006 |
| Macalester Loup, Willem | Universiteit Utrecht | 1914 |
| MacAlevey, Paul | University of Texas at Dallas | 1999 |
| MacAllister, Anastacia | Iowa State University | 2018 |
| Macaluso, Damiano | Università di Palermo | 1868 |
| Macansantos, Priscilla | University of Delaware | 1995 |
| Macari, Emir | University of Colorado Boulder | 1989 |
| Macarie, Ioan | University of Rochester | 1995 |
| Macarini, Leonardo | Instituto de Matemática Pura e Aplicada | 2000 |
| Macario Vives, Sergio | Universitat Jaume I | 2002 |
| MacArthur, Alan | University of California, Berkeley | 1988 |
| MacArthur, Benjamin | University of Southampton | 2002 |
| MacArthur, Robert | Yale University | 1958 |
| Macarulla Arenaza, Ana | ||
| Macasieb, Melissa | University of Texas at Austin | 2005 |
| Macasius, Johann | Friedrich-Schiller-Universität Jena | 1638, 1640 |
| Macaskill, Charles | ||
| Macaulay, Francis Sowerby | University of Cambridge | 1897 |
| Macaulay, Vincent | ||
| Macaulay, William | University of Cambridge | 1877 |
| Macauley, Matthew | University of California, Santa Barbara | 2008 |
| Macauley, Monica | University of Glasgow | 2010 |
| Macauley, Ronald | University of Illinois at Urbana-Champaign | 1955 |
| MacAvoy, Paul | Yale University | 1959 |