| Cloman, Ernest | Youth Service Bureau Manager | Youth and Recreation Department | |
| Chua-Reyes, HannahZoe | Sustainability Policy Analyst & Engagement Coordinator | Office of Climate and Sustainability | |
| CANZANELLA, JOSEPH | PARKING ENFORCEMENT OFFICER | Transportation, Traffic & Parking | |
| CHAPMANSENIOR, JOSEPH | TRAFFIC TECHNICIAN | Transportation, Traffic & Parking | |
| COUSINS, URSULA | PART-TIME PARKING ENFORCEMENT OFFICER | Transportation, Traffic & Parking | |
| Cohen, Dorothy | Program Director of Epidemiology | Health Department | (203) 410-5922 |
| Chavez-Brumell, Luis | Deputy Director | Public Library | (203) 946-2279 |
| Cofrancesco, Anthony | Electrical Inspector | Office of Building Inspection & Enforcement | (203) 946-2826 |
| Claxton, Tracy | Neighborhood Specialist | Livable City Initiative | (203) 946-2857 |
| Courtney, Michael | Assistant Assessor | Assessor’s Office | (203) 946-4800 ext. 17 |
| Cunico, Michael | Municipal Civil Engineer | Engineering | (203) 946-4876 |
| Chow-Yen , Amanda | Payroll Benefit/Auditor | Finance – Payroll & Pension | (203) 946-4924 |
| Campos, Richard | Senior Personnel Analyst | Human Resources | (203) 946-4925 |
| Choe, Taylor | Epidemiologist I | Health Department | (203) 946-4938 |
| Caprio, Nicholas | Housing Code Inspector | Livable City Initiative | (203) 946-4983 |
| Canas, Jennifer | Human Resources Associate | Human Resources | (203) 946-4989 |
| Champlin, Allison | Management Analyst IV | Office of Policy, Management, and Grants (OPM) | (203) 946-6034 |
| CRUZ, DANNY | SIGNS & MARKING LEADER | Transportation, Traffic & Parking | (203) 946-6079 |
| Coughlin, Daniel | Asst. Chief - Operations | Fire Services | (203) 946-6218 |
| Castro, Alexander | Planner II | City Plan | (203) 946-6377 |
| Casanova, Carol | Executive Administrative Assistant | City Plan | (203) 946-6379 |
| Cecunjanin, Fatima | Senior Project Manager | City Plan | (203) 946-6539 |
| Currey, Meghan | Branch Manager-Wilson | Public Library | (203) 946-6541 |
| CLOUD, VELISHA | PARKING ENFORCEMENT FIELD SUPERVISOR | Transportation, Traffic & Parking | (203) 946-6777 |
| Clark , Jennifer | Executive Administrative Assistant | Parks Department | (203) 946-6920 |
| Cavo, Cynthia | Republican Deputy Registrar | Registrar of Voters | (203) 946-7519 |
| Cave, Chantel | Management and Policy Analyst | Elderly Services | (203) 946-7583 |
| Cubiz, Jarmella | Administrative Assistant | Livable City Initiative | (203) 946-7588 |
| Cochrane, John | Assistant Building & Plans Official | Office of Building Inspection & Enforcement | (203) 946-7592 |
| Cirillo, Joseph | Electrical Inspector | Office of Building Inspection & Enforcement | (203) 946-7659 |
| Clinton, Mark | Vending Enforcement Officer | Office of Building Inspection & Enforcement | (203) 946-7673 |
| Cannon, Taylor | Payroll/Benefit Auditor | Finance – Payroll & Pension | (203) 946-7884 |
| Cejas, Romina | Bilingual Assistant Registrar | Vital Statistics Division | (203) 946-7944 |
| Cooke, Deja | Tax Collections Analyst | Finance – Tax Office | (203) 946-7968 |
| Castro-Reyes, Josue | Republican Clerk / Bilingual | Registrar of Voters | (203) 946-8033 |