There are 39 mathematicians whose last name begin with ORD.
| Ord, J. Keith | London School of Economics and Political Science | 1967 |
| Orda, Ariel | Technion-Israel Institute of Technology | 1991 |
| Ordanel, Ivy | University of the Philippines | 2021 |
| Ordaz, Oscar | ||
| Orden, Alexander | Massachusetts Institute of Technology | 1950 |
| Orden, David | Universidad de Cantabria | 2003 |
| Ordeñana, Xavier | Universitat Pompeu Fabra | 2015 |
| Ordentlich, Erik | Stanford University | 1996 |
| Ordentlich, Or | Tel Aviv University | 2015 |
| Ordeshook, Peter | University of Rochester | 1969 |
| Ordille, Carol | The Ohio State University | 1975 |
| Ordille, Joann | University of Wisconsin-Madison | 1993 |
| Ording, Philip | Columbia University | 2006 |
| Ordman, Edward | Princeton University | 1969 |
| Ordog, Erika | Duke University | 2020 |
| Ordonez, Carlos | Georgia Institute of Technology | 2000 |
| Ordonez, Martin | Memorial University of Newfoundland | 2009 |
| Ordonez, Vicente | The University of North Carolina at Chapel Hill | 2015 |
| Ordoñez, Fernando | Massachusetts Institute of Technology | 2002 |
| Ordoñez, Guillermo | University of California, Los Angeles | 2008 |
| Ordóñez, Alberto | Universidade da Coruña | 2016 |
| Ordóñez, César | Université de Genève | 2022 |
| Ordóñez, Eloy Carlos | Faculté de Médecine de Paris | |
| Ordóñez, Javier | ||
| Ordóñez, Rodrigo | Universidad de Chile | 2012 |
| Ordóñez Barrientos, Javier | Pontifícia Universidade Católica do Rio de Janeiro | 1995 |
| Ordoñez Cardales, Rafael Enrique | Universidad de Concepción | 2020 |
| Ordonez-Delgado, Bartleby | Virginia Polytechnic Institute and State University | 2010 |
| Ordóñez Plata, Gabriel | Universidad Pontificia Comillas | 1993 |
| Ordoñez Ramirez, Norberto | Universidad Nacional Autónoma de México (UNAM) | 2013 |
| Ordonez Rendon, Luis | Université de Genève | 2020 |
| Ordóñez Sánchez, Manuel | Universidad de Sevilla | 1997 |
| Ordoukhani, Nasser | North Carolina State University | 1971 |
| Ordower, Marc | State University of New York at Stony Brook | 1999 |
| Ordowski, Raimund | Karlsruher Institut für Technologie (KIT) | 1981 |
| Ordun, Catherine | University of Maryland Baltimore County | 2023 |
| Orduña, Fernando | Universitat Politècnica de Catalunya | 2016 |
| Orduz Barrera, Juan Camilo | Humboldt-Universität zu Berlin | 2017 |
| Ordyniak, Sebastian | University of Oxford | 2009 |