There are 84 mathematicians whose last name begin with CASSTR.
| Castravet, Ana-Maria | Massachusetts Institute of Technology | 2002 |
| Castrejon-Pita, Alfonso | University of Oxford | 2008 |
| Castrigiano, Domenico | Ludwig-Maximilians-Universität München | 1977 |
| Castrillon, Arjuna | Universitat Politècnica de Catalunya | 2021 |
| Castrillón, Marco | Universidad Complutense de Madrid | 1999 |
| Castrillón Mazo, Jerónimo | Rheinisch-Westfälische Technische Hochschule Aachen | 2013 |
| Castrillon Serna, Ivan | Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN) | 2016 |
| Castrillón Vásquez, Andrés Julián | Universidade Federal de Juiz de Fora | 2023 |
| Castro, Airton | Universidade Federal de Pernambuco, Recife | 2009 |
| Castro, Alberto | University of Utah | 1995 |
| Castro, Alex | University of California, Santa Cruz | 2010 |
| Castro, Alfonso | University of Cincinnati | 1977 |
| Castro, Alison | University of Michigan | 2006 |
| Castro, Angel | Universidad Autónoma de Madrid | 2010 |
| Castro, Antoni | ||
| Castro, Carlos | Université Henri Poincaré Nancy 1 | 1998 |
| Castro, Carlos | Universidade de São Paulo | 2024 |
| Castro, Carlos | Arizona State University | 1993 |
| Castro, Carlos | Universidad Complutense de Madrid | 1996 |
| Castro, Daniela | Pontificia Universidad Católica de Chile | 2015 |
| Castro, Eduardo | ||
| Castro, Edwin | Babeş-Bolyai University | 1983 |
| Castro, Fábio | Universidade Federal de Minas Gerais | 2012 |
| Castro, Felipe | Universidade Federal do Rio Grande do Sul | 2015 |
| Castro, Francis | City University of New York | 1997 |
| Castro, Francisco | Columbia University | 2019 |
| Castro, Gian | Universidade Estadual de Campinas | 2009 |
| Castro, Gonzalo | Universidad de Santiago de Chile | 2013 |
| Castro, Hernan | Rutgers University, New Brunswick | 2012 |
| Castro, Ignacio | Universitat Oberta de Catalunya | 2015 |
| Castro, Jorge | Universidad de Barcelona | 2004 |
| Castro, Juan Luis | Universidad de Granada | 1991 |
| Castro, Kyle | University of California, Riverside | 2017 |
| Castro, Liliana | ||
| Castro, Luis | State University of New York at Stony Brook | 2003 |
| Castro, Luis | Pontificia Universidad Católica de Chile | 2008 |
| Castro, Luis | Universidade de Lisboa | 1998 |
| Castro, Manuel | University of Southern California | 2011 |
| Castro, Marcia | Princeton University | 2002 |
| Castro, Margarita | University of Toronto | 2020 |
| Castro, Mario | Universidad Carlos III de Madrid | 2001 |
| Castro, Natalia de | Universidad de Sevilla | 2002 |
| Castro, Nickolas | University of Georgia | 2016 |
| Castro, Paul | University of California, Los Angeles | 2001 |
| Castro, Peter | New York University | 1975 |
| Castro, Rodrigo | Universidad Nacional de Rosario | 2010 |
| Castro, Rodrigo | Georgia State University | 2020 |
| Castro, Rui | Rice University | 2007 |
| Castro, Sofia | University of Warwick | 1993 |
| Castro, Victor | University of Miami | 2007 |
| Castro Bolaño, Regina | Universidade de Santiago de Compostela | 1976 |
| Castro Campos, Rodrigo Alexander | Universidad Autónoma Metropolitana-Azcapotzalco | 2017 |
| Castro-Castro, Claudia | Southern Methodist University | 2017 |
| Castro-Chávez, Fernando | CIATEJ, Universidad de Guadalajara | 1998 |
| Castro-Chávez, Fernando | Universidad de Guadalajara | 2006 |
| Castro Company, Francisco | 2010 | |
| Castro Diaz, Manuel | ||
| Castro-Esteban, David | Universidad de Cantabria | 2001 |
| Castrogiovanni, Anthony | Polytechnic Institute of New York University | 1996 |
| Castro-Infantes, Ildefonso | Universidad de Granada | 2018 |
| Castro-Infantes, Jesús | Universidad de Granada | 2022 |
| Castro Jiménez, Francisco Jesús | Université Paris Diderot - Paris 7 | 1984 |
| Castro Jr., Augusto Armando | Instituto de Matemática Pura e Aplicada | 1998 |
| Castro-Leal, Florencia | University of Texas at Austin | 1995 |
| Castro López, Ildefonso | Universidad de Granada | 1994 |
| Castro Marín, Rodrigo | 2011 | |
| Castro Martin, Teresa | University of Wisconsin-Madison | 1990 |
| Castro Martínez, Enrique | Universidad de Granada | 1994 |
| Castronova, Frank | Wayne State University | 1997 |
| Castronovo, Emilio | Rensselaer Polytechnic Institute | 2005 |
| Castronovo, Marco | Rutgers University, New Brunswick | 2021 |
| Castronovo, Sandro | Universität des Saarlandes | 2013 |
| Castro-Ortega, Alberto | Universidad Autónoma Metropolitana-Iztapalapa | 2012 |
| Castro Ospina, Jose | Cornell University | 1984 |
| Castro Ovalle, Daniel | Universidade de São Paulo | 2016 |
| Castro-Pearson, Sandra | University of Minnesota - Twin Cities | 2023 |
| Castro Pérez, Jaime | Universidad Nacional Autónoma de México (UNAM) | 1992 |
| Castro Rivadeneira, Pablo | McGill University | 2011 |
| Castro Santis, Ricardo | Università di Roma La Sapienza | 2008 |
| Castro Smirnova, Mirta María | Universidad de Sevilla | 2002 |
| Castro Smirnova, Mirta María | Lomonosov Moscow State University | 2002 |
| Castro Trejo, Aline | Université Joseph Fourier Grenoble I | 2012 |
| Castruccio, Stefano | The University of Chicago | 2013 |
| Castryck, Wouter | Katholieke Universiteit Leuven | 2006 |