There are 66 mathematicians whose last name begin with ISA.
| Isaac, Donald | New York University | 1970 |
| Isaac, James | ||
| Isaac, Paul | Cochin University of Science and Technology | 2004 |
| Isaac, Phillip | University of Queensland | 2001 |
| Isaac, Richard | University of California, Berkeley | 1959 |
| Isaac, R. Mark | California Institute of Technology | 1981 |
| Isaacman, Richard | Universiteit Leiden | 1980 |
| Isaacs, Andrew | University of Illinois at Chicago | 1994 |
| Isaacs, Frank | City University of New York | 1990 |
| Isaacs, Godfrey | University of London | 1951 |
| Isaacs, I. Martin | Harvard University | 1964 |
| Isaacs, Katherine | University of California, Davis | 2015 |
| Isaacs, Rufus | Columbia University | 1943 |
| Isaacs, Tracy | Massachusetts Institute of Technology | 1992 |
| Isaacs, Yoaav | Princeton University | 2016 |
| Isaacson, Brad | Rutgers University, Newark | 2015 |
| Isaacson, Dan | University of Oregon | 1980 |
| Isaacson, Daniel | University of Oxford | 1974 |
| Isaacson, David | New York University | 1976 |
| Isaacson, Dean | University of Minnesota - Twin Cities | 1968 |
| Isaacson, Eli | New York University | 1979 |
| Isaacson, Eric | Indiana University | 1992 |
| Isaacson, Eugene | New York University | 1949 |
| Isaacson, Jeffrey | The University of Iowa | 1998 |
| Isaacson, Richard | University of Maryland College Park | 1967 |
| Isaacson, Samuel | Harvard University | 2009 |
| Isaacson, Samuel | New York University | 2005 |
| Isaak, Elena | Universität Bielefeld | 2018 |
| Isaak, Garth | Rutgers University, New Brunswick | 1990 |
| Isaak, Samuel | Indiana University | 1965 |
| Isabekov, Altynbek | Koç University | 2018 |
| Isabelle, Pierre | Université de Montréal | 1995 |
| Isabelle, Steven | Massachusetts Institute of Technology | 1995 |
| Isac, George | ||
| Isachenko, Nikolai | Sobolev Institute of Mathematics, Novosibirsk | 1989 |
| Isaenko, Yu. | Voronezh State University | 2008 |
| Isaev, Alexander | Lomonosov Moscow State University | 1990 |
| Isaev, G. | Lomonosov Moscow State University | |
| Isaev, Ismail | Novosibirsk State University | 1986 |
| Isaev, Mikhail | École Polytechnique | 2013 |
| Isaev, Mikhail | Moscow Institute of Physics and Technology | 2013 |
| Isaeva, S. | Institute of Mathematics and Mechanics, Azerbaijan Academy of Sciences | 1991 |
| Isaia, Florin | University of Bucharest | 2007 |
| Isaia, Vincenzo | University of Wyoming | 2002 |
| Isaiah, Pantelis | Queen's University at Kingston | 2012 |
| Isaki, Cary | Iowa State University | 1970 |
| Isakov, Alexander | Harvard University | 2016 |
| Isakov, Leah | Boston University | 2011 |
| Isakov, Nikolai | Yaroslavl State University | 1980 |
| Isakov, Victor | ||
| Isakova, Mariana | 2010 | |
| Isakovic, Haris | Technische Universität Wien | 2022 |
| Isakowitz, Tomas | University of Pennsylvania | 1989 |
| Isaksen, Daniel | The University of Chicago | 1999 |
| Isakson, Hans | University of Wisconsin-Milwaukee | 1977 |
| Isaksson, Annica | Linköpings Universitet | 2003 |
| Isaksson, Marcus | Chalmers Tekniska Högskola | 2010 |
| Isaman, Deanna | University of Michigan | 2005 |
| Isangulova, Dar'ya | Sobolev Institute of Mathematics, Novosibirsk | 2005 |
| Isar, Alexandru | Politehnica University, Timisoara | 1993 |
| Isard, Walter | Harvard University | 1943 |
| Isay, Wolfgang-Hermann | Technische Universität Berlin | 1952 |
| Isayev, Hamlet | ||
| Isaza, Pedro | Syracuse University | 1986 |
| Isazadeh, Ayaz | Queen's University at Kingston | 1996 |
| Isaza Ramírez, Sebastián | Technische Universiteit Delft | 2011 |