There are 15 mathematicians whose last name begin with RITS.
| Ritsch, Helmut | 1989 | |
| Ritschard, Gilbert | Université de Genève | 1979 |
| Ritschel, Nico | University of British Columbia | 2023 |
| Ritschel, Wolf | ||
| Ritscher, Stephan | Technische Universität München | 2012 |
| Ritschl, Albrecht | Ludwig-Maximilians-Universität München | 1987 |
| Ritschl, Friedrich | Martin-Luther-Universität Halle-Wittenberg | 1829 |
| Ritschl, Tillman | Rheinische Friedrich-Wilhelms-Universität Bonn | 2024 |
| Ritsch-Marte, Monika | University of Waikato | 1988 |
| Ritsema, Lodewijk | Universiteit van Amsterdam | 1952 |
| Ritsma, Jelle | Rijksuniversiteit Groningen | 1973 |
| Ritsma, Roelof Jan | Universiteit Utrecht | 1955 |
| Ritson, David | University of Oxford | 1949 |
| Ritson, Irene | Queen's University of Belfast | 1998 |
| Ritsuka, K. | Queen's University at Kingston | 2023 |