There are 13 mathematicians whose last name begin with COI.
| Coia, Vincenzo | University of British Columbia | 2017 |
| Coibion, Olivier | University of Michigan | 2007 |
| Coiculescu, Ion | University of North Texas | 2005 |
| Coiffet, Philippe | Université Paris-Saclay | 1970 |
| Coifman, Ronald | Université de Genève | 1965 |
| Coile, Courtney | Massachusetts Institute of Technology | 1999 |
| Coimbra, Carlos | University of California, Irvine | 1998 |
| Coimbra, Elvira | Universidade Nova de Lisboa | 1979 |
| Coimbra Araujo, Carlos | Universidade Estadual de Campinas | 2009 |
| Coish, H. | University of Toronto | 1951 |
| Coish, William | Universität Basel | 2006 |
| Coit, David | University of Pittsburgh | 1996 |
| Coit, Judson | Syracuse University | 1881 |