There are 64 mathematicians whose last name begin with RITT.
| Ritt, Joseph | Columbia University | 1917 |
| Ritt, Marcus | Eberhard-Karls-Universität Tübingen | 2003 |
| Ritt, Robert | Columbia University | 1953 |
| Rittatore, Alvaro | Université Joseph Fourier Grenoble I | 1997 |
| Rittberg, Colin Jakob | University of Hertfordshire | 2016 |
| Rittberger, Volker | Stanford University | 1972 |
| Rittenberg, Vladimir | ||
| Ritter, Alan | University of Washington | 2013 |
| Ritter, Alexander | Massachusetts Institute of Technology | 2009 |
| Ritter, August | Georg-August-Universität Göttingen | 1853 |
| Ritter, Carrie | North Carolina State University | 2015 |
| Ritter, Christian | University of Wisconsin-Madison | 1992 |
| Ritter, David | Louisiana State University | 1981 |
| Ritter, Eike | University of Cambridge | 1993 |
| Ritter, Ernst | Georg-August-Universität Göttingen | 1891 |
| Ritter, Eugene | University of Virginia | 1949 |
| Ritter, Frank | Carnegie Mellon University | 1993 |
| Ritter, Fritz | Justus-Liebig-Universität Gießen | 1914 |
| Ritter, Gerhard | University of Wisconsin-Madison | 1971 |
| Ritter, Grant | Cornell University | 1976 |
| Ritter, Gunter | Friedrich-Alexander-Universität Erlangen-Nürnberg | 1974 |
| Ritter, Harald | Johann Wolfgang Goethe-Universität Frankfurt am Main | 1997 |
| Ritter, Irving | New York University | 1937 |
| Ritter, James | ||
| Ritter, Jane | University of Oregon | 1986 |
| Ritter, Jay | The University of Chicago | 1981 |
| Ritter, Johann | Friedrich-Schiller-Universität Jena | 1798 |
| Ritter, Jörg | Martin-Luther-Universität Halle-Wittenberg | 2002 |
| Ritter, Julian | Institut Polytechnique de Paris | 2021 |
| Ritter, Jürgen | Ruprecht-Karls-Universität Heidelberg | 1969 |
| Ritter, Kerry | Oregon State University | 2002 |
| Ritter, Klaus | Friedrich-Alexander-Universität Erlangen-Nürnberg | 1990 |
| Ritter, Klaus | Albert-Ludwigs-Universität Freiburg im Breisgau | 1964 |
| Ritter, Lake | Northwestern University | 2003 |
| Ritter, Lawrence | University of Wisconsin-Madison | 1951 |
| Ritter, Marc | Technische Universität Chemnitz | 2014 |
| Ritter, Marco | 2015 | |
| Ritter, Michael | Technische Universität München | 2008 |
| Ritter, Nathan | University of Massachusetts Amherst | 2001 |
| Ritter, Niles | Massachusetts Institute of Technology | 1984 |
| Ritter, Norbert | Technische Universität Kaiserslautern | 1997 |
| Ritter, Patricia | The University of Edinburgh | 2011 |
| Ritter, Robert | Universität Berlin | 1933 |
| Ritter, Rudolf | Université de Genève | 1970 |
| Ritter, Tobias | Technische Universität Darmstadt | 2017 |
| Ritter, Tyson | University of Adelaide | 2011 |
| Ritter, William | Massachusetts Institute of Technology | 1962 |
| Ritter, William Gordon | Harvard University | 2007 |
| Ritterbusch, Sebastian | Karlsruher Institut für Technologie (KIT) | 2009 |
| Ritterman, Murray | New York University | 1955 |
| Ritter von Baeyer, Hans | Ruprecht-Karls-Universität Heidelberg | 1935 |
| Ritter von Escherich, Gustav | Technische Universität Graz | 1873 |
| Ritter von Geitler-Armingen, Jozef | Rheinische Friedrich-Wilhelms-Universität Bonn | 1893 |
| Ritter von Gerstner, Franz | Karl-Ferdinand-Universität Prag | 1777 |
| Ritter von Gerstner, Franz | Karl-Ferdinand-Universität Prag | 1776 |
| Ritter von Weber, Eduard | Ludwig-Maximilians-Universität München | 1893 |
| Ritt-Fischer, Monika | Universiteit Leiden | 1991 |
| Rittgen, Werner | Johannes Gutenberg-Universität Mainz | 1986 |
| Rittich, Hannah | Bergische Universität Wuppertal | 2017 |
| Rittinghaus, Marc | Karlsruher Institut für Technologie (KIT) | 2019 |
| Rittman, Robert | Rutgers University, New Brunswick | 2007 |
| Rittmueller, Lindsey | University of Wyoming | 2010 |
| Ritto, Thiago | Pontifícia Universidade Católica do Rio de Janeiro | 2010 |
| Ritto, Thiago | Université Paris-Est | 2010 |