There are 22 mathematicians whose last name begin with MCGA.
| McGachey, Philip | Purdue University | 2010 |
| McGaffey, Thomas | Rice University | 2011 |
| McGaha, Ryan | University of South Carolina | 2022 |
| McGahagan, Helena | New York University | 2005 |
| Mcgahan, Kees | University of Utah | 2023 |
| McGann, Anna | University of New South Wales | 2019 |
| McGannon, Thomas | Northwestern University | 1970 |
| McGarraghy, Sean | University College Dublin | 2001 |
| McGarrity, Kimberly | Technische Universiteit Delft | 2013 |
| McGarry, Kathleen | State University of New York at Stony Brook | 1992 |
| McGarty, Terrence | Massachusetts Institute of Technology | 1971 |
| McGarvey, David | Yale University | 1959 |
| McGarvey, Martin | Queen's University of Belfast | 2009 |
| McGarvey, Mary | University of Virginia | 1983 |
| McGarvey, Ronald | The Pennsylvania State University | 2002 |
| McGatha, Maggie | Vanderbilt University | 2000 |
| McGathey, Natalie | University of Illinois at Chicago | 2011 |
| McGaughey, A. | University of Cincinnati | 1940 |
| McGaughey, Karen | Kansas State University | 2003 |
| McGavock, William | Duke University | 1939 |
| McGavran, Dennis | Wayne State University | 1974 |
| McGaw, Alexander | University of Manchester | 2018 |