| Last Name | First Name | Nickname | City | State | Graduation Year |
|---|---|---|---|---|---|
| Connery | Brian | Glen Mills | Pennsylvania | 1984 | |
| Conroy | Thomas | Spring | Texas | 1960 | |
| Conti | Mike | Valrico | Florida | 1990 | |
| Cook | Kyle | K-Roc | Utica | New York | 2015 |
| Corcoran | Thomas | Greensboro | Georgia | ||
| Corman | Andrew | Ernie | Windham | New Hampshire | 1984 |
| Corp | Thomas | Liverpool | New York | 1990 | |
| Costello | Donald | Danbury | Connecticut | 1961 | |
| Cote | Frank | Huntington Beach | California | 1992 | |
| Couch | David | Cocoa Beach | Florida | 1961 | |
| Cragnolin | Robert | Asheville | North Carolina | ||
| Cragnolin | Rudolph | Lake George | New York | 1948 | |
| Crandall | Robert | Webster | New York | 1960 | |
| Crane | Michael | El Paso | Texas | 2010 | |
| Cronin | Robert | Delmar | New York | 1964 | |
| Crosby | David | Bing | Glastonbury | 1984 | |
| Culver | Brian | Cambridge | Massachusetts | 1972 | |
| Cummings | David | ||||
| Cunnan | John | Fort Plain | New York | 1964 | |
| Cunningham | Carl | Wad | Raleigh | North Carolina | 1984 |
| Curry | Truman | Port Angeles | Washington | 1947 | |
| Curtin | David | Dave | Ponte Vedra | Florida | 1977 |
| Czarkowski | Casimir | Closter | New Jersey | 1964 | |
| Daloisio | Joseph | Wanaque | New Jersey | 1954 | |
| Damberg | Frederick | Purling | New York | 1970 |
Omicron Pi Omicron