There are 95 mathematicians whose last name begin with OC.
| Oç, Burak | Universitat Pompeu Fabra | 2014 |
| Ocak, Rahim | ||
| Ocal, Pablo | Texas A&M University | 2021 |
| Öcalan, Özkan | Ankara University | 2003 |
| Ocampo, Alex | Harvard University | 2020 |
| Ocampo, Hernan | Technische Universität München | 1993 |
| Ocampo, Hernan | Karlsruher Institut für Technologie (KIT) | 1993 |
| Ocampo-Salgado, Hugo | Universidad Nacional Autónoma de México (UNAM) | 2013 |
| Ocampo Uribe, Oscar | Universidade de São Paulo | 2013 |
| Ocaña Anaya, Eladio | Université Blaise Pascal | 2005 |
| Ocaña Anaya, Eladio | Universidad Nacional de Ingenieria | 2005 |
| Ocaña-Lara, Francisco Antonio | Universidad de Granada | 1996 |
| Ocariza, Frolin | University of British Columbia | 2016 |
| Ocariz Gallego, Jesus | Universidad Autónoma de Madrid | 2020 |
| Ocasio-Gonzalez, Victor | University of Notre Dame | 2014 |
| Occelli, Rene | ||
| Occello, Michel | Université de Nice-Sophia Antipolis | 1993 |
| Occena, Luis | Purdue University | 1987 |
| Occhetta, Gianluca | Università degli Studi di Trento | 1999 |
| Occhialini, Giuseppe | ||
| Occhipinti, Rossana | Case Western Reserve University | 2009 |
| Occhipinti, Thomas | University of Arizona | 2010 |
| Occhipinti Liberman, Andrés | Technical University of Denmark | 2020 |
| Occorsio, Mario | ||
| Ocejo, Adriana | University of Warwick | 2014 |
| Och, Johann | Bayerische Julius-Maximilians-Universität Würzburg | 1743 |
| Ochakovskaya, Oksana | Institute of Applied Mathematics and Mechanics, National Academy of Sciences of Ukraine | 2005 |
| Ochal, Anna | Uniwersytet Jagielloński | 2001 |
| Ochan, Yurii | Lomonosov Moscow State University | |
| Ochanine, Serge | Université Paris-Sud XI - Orsay | 1978 |
| Ochel, Marcel | Rheinisch-Westfälische Technische Hochschule Aachen | 2013 |
| Ochi, Yoshihiro | University of Cambridge | 1999 |
| Ochi, Yoshimichi | University of Washington | 1983 |
| Ochiai, Hiroyuki | University of Tokyo | 1993 |
| Ochiai, Tadashi | University of Tokyo | 2001 |
| Ochiai, Takushiro | University of Notre Dame | 1969 |
| Ochieng, Mary | Western Michigan University | 2018 |
| Ochieng, Washington | University of Nottingham | 1993 |
| Ochin, | Banasthali Vidyapith | 2018 |
| Ochin, Evgeny | ITMO University (Information Technologies, Mechanics and Optics University) | 1974 |
| Ochin, Evgeny | ITMO University (Information Technologies, Mechanics and Optics University) | 1987 |
| Ochoa, Alejandro | Princeton University | 2013 |
| Ochoa, Ben | University of California, San Diego | 2007 |
| Ochoa, James | University of North Texas | 1996 |
| Ochoa, Juan | University of California, Berkeley | 1978 |
| Ochoa, Pablo | University of Pittsburgh | 2014 |
| Ochoa Arango, Jesús | Universidad Nacional de Córdoba | 2010 |
| Ochoa de Alaiza Gracia, Itziar | University of Illinois at Urbana-Champaign | 2018 |
| Ochoa-Jiménez, José | Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN) | 2019 |
| Ochoa Lezaun, Carlos Gustavo | Universidad de Zaragoza | 1984 |
| Ochoa-Méndez, Soledad | Universidad Nacional Autónoma de México (UNAM) | 2023 |
| Ochoa Quintanilla, Sara | 2004 | |
| Ochoa Ronderos, Martín | Technische Universität Dortmund | 2012 |
| Ochoa Venegas, Lina | Technische Universiteit Eindhoven | 2023 |
| Ocholt, Bernd | Pädagogische Hochschule Erfurt-Mühlhausen | 1982 |
| Ochotsimskii, Dmitrii | Steklov Institute of Mathematics, St. Petersburg | 1949 |
| Ochotta, Tilo | Universität Konstanz | 2007 |
| Ochremiak, Joanna | Uniwersytet Warszawski | 2016 |
| Ochs, Christopher | New Jersey Institute of Technology | 2015 |
| Ochs, Eduardo | Pontifícia Universidade Católica do Rio de Janeiro | 2003 |
| Ochs, Gunter | Universität Bremen | 1995 |
| Ochs, Jon | Washington State University | 1974 |
| Ochs, Peter | Albert-Ludwigs-Universität Freiburg im Breisgau | 2015 |
| Ochs, Robert | University of Delaware | 1986 |
| Ochse, Dennis | Technische Universität Kaiserslautern | 2013 |
| Ochse, Tynan | University of Texas at Austin | 2023 |
| Ochsendorf, Bram | Universiteit Leiden | 2015 |
| Ochsendorf, John | University of Cambridge | 2002 |
| Ochsendorf, Philipp | Rheinische Friedrich-Wilhelms-Universität Bonn | 2019 |
| Ochsenius Alarcón, Herminia | Pontificia Universidad Católica de Chile | 1990 |
| Ochsenreither, Eva | Karlsruher Institut für Technologie (KIT) | 2014 |
| Ochsenschläger, Peter | Technische Universität Darmstadt | 1981 |
| Ochshorn, Peter | University of Michigan | 1986 |
| Öchsner, Andreas | University of Newcastle | 2010 |
| Öchsner, Andreas | Friedrich-Alexander-Universität Erlangen-Nürnberg | 2003 |
| Ockels, Wubbo | Rijksuniversiteit Groningen | 1978 |
| Ocken, Stanley | Princeton University | 1974 |
| Ockendon, Hilary | University of Oxford | 1968 |
| Ockendon, John | University of Oxford | 1965 |
| Ockenfels, Axel | Otto-von-Guericke-Universität Magdeburg | 1998 |
| Ocker, Dirk | Universität Konstanz | 2000 |
| Ockerbloom, John | Carnegie Mellon University | 1998 |
| Ockerman, Jennifer | Georgia Institute of Technology | 2000 |
| Öckert, Björn | ||
| Ockhuizen, Theodorus | Rijksuniversiteit Groningen | 1979 |
| Ocko, Samuel | Massachusetts Institute of Technology | 2015 |
| Ocloo, Cyril | University of Southern Mississippi | 2024 |
| Ocneanu, Adrian | University of Warwick | 1983 |
| Ocokoljić, Goran | University of Belgrade | 2016 |
| Ocone, Andrea | The University of Edinburgh | 2013 |
| Ocone, Daniel | Massachusetts Institute of Technology | 1980 |
| Ocqueteau, Vicente | Universidad de Chile | 2023 |
| Octav, Fercheluc | University of Bucharest | 2000 |
| Octavio, Alfredo | University of Michigan | 1991 |
| Ocvirk, Pierre | Université de Strasbourg | 2005 |