There are 25 mathematicians whose last name begin with RITC.
| Ritcey, James | ||
| Ritcey, Leland | The University of Chicago | 1945 |
| Ritchey, Ann | University of Oregon | 1997 |
| Ritchey, John | The University of Chicago | 1958 |
| Ritchey, Katherine | The Ohio State University | 2019 |
| Ritchey, Nathan | Carnegie Mellon University | 1989 |
| Ritchey, Philip | Purdue University | 2015 |
| Ritchey, William | The Ohio State University | 1955 |
| Ritchie, Bill | Purdue University | 1954 |
| Ritchie, Dennis | Harvard University | 1968 |
| Ritchie, Elizabeth | Monash University | 1995 |
| Ritchie, Gordon | University of Arizona | 1972 |
| Ritchie, Graeme | The University of Edinburgh | 1980 |
| Ritchie, Iain | Heriot-Watt University | 2016 |
| Ritchie, Jack | University of Rochester | 1983 |
| Ritchie, Joe | Iowa State University | 1964 |
| Ritchie, Justine | University of Arizona | 1994 |
| Ritchie, Matthew | University of Melbourne | 2005 |
| Ritchie, Matthew | University College London | 2013 |
| Ritchie, Robert | Princeton University | 1960 |
| Ritchie, Sandra | Carnegie Mellon University | 2023 |
| Ritchie, Stephen | Cornell University | 1983 |
| Ritchie, Thomas | Universidade de São Paulo | 2005 |
| Ritchings, Tim | ||
| Ritchken, Peter | Case Western Reserve University | 1982 |