There are 37 mathematicians whose last name begin with CLAY.
| Clay, Adam | University of British Columbia | 2010 |
| Clay, Ellen | University of Louisiana at Lafayette | 1990 |
| Clay, Erica | Tufts University | 2016 |
| Clay, Gwen | North Carolina State University | 1984 |
| Clay, Jacob | Universiteit Leiden | 1908 |
| Clay, James | University of Washington | 1966 |
| Clay, Jesse | University of Pennsylvania | 1961 |
| Clay, Karen | Stanford University | 1994 |
| Clay, Lenitra | Georgia Institute of Technology | 2002 |
| Clay, Lisa | Northwestern University | 2005 |
| Clay, Matthew | University of Utah | 2006 |
| Clay, Matthew | Northwestern University | 2007 |
| Clay, Pieter | Universiteit van Amsterdam | 1942 |
| Clay, Robert | University of Notre Dame | 1961 |
| Clayden, Jonathan | The University of Edinburgh | 2007 |
| Claypool, Kajal | Worcester Polytechnic Institute | 2002 |
| Claypool, Mark | University of Minnesota - Twin Cities | 1997 |
| Claypoole, Roger L. | Rice University | 2000 |
| Clayson, Carol | University of Colorado at Boulder | 1995 |
| Clayton, Ashley | Texas Tech University | 2016 |
| Clayton, Aubrey | University of California, Berkeley | 2008 |
| Clayton, Bennett | Texas A&M University | 2023 |
| Clayton, Curtis | University of Utah | 1988 |
| Clayton, Dennis | University of Utah | 1969 |
| Clayton, Donald | California Institute of Technology | 1961 |
| Clayton, G. | Monash University | 1984 |
| Clayton, Garrett M. | University of Washington | 2007 |
| Clayton, Gary | University of Utah | 1974 |
| Clayton, Jess | University of Wisconsin-Madison | 2016 |
| Clayton, John | Georgia Institute of Technology | 2002 |
| Clayton, McLouis | North Carolina State University | 1973 |
| Clayton, Murray | University of Minnesota - Twin Cities | 1983 |
| Clayton, Richard | University of California, Los Angeles | 1987 |
| Clayton, Richard | University of Cambridge | 2005 |
| Clayton, Tim | University of Tennessee - Knoxville | 2008 |
| Claytor, William | University of Pennsylvania | 1933 |
| Claytor, Zachary | University of Hawaii | 2022 |