| Medley, Krystal | Health Programs Director | Health Department | |
| MELENDEZSENIOR, JOAQUIN | TRAFFIC TECHNICIAN | Transportation, Traffic & Parking | |
| Martinez, Edgar | Lead Poisoning Inspector | Health Department | |
| Mujahid, Isa | Lead Poisoning Inspector | Health Department | (203) 800-6265 |
| Munroe, Taylor | Neighborhood Specialist | Livable City Initiative | (203) 846-7888 |
| Mitchell, Darina | Community Liaison Trainer | Community Services Administration | (203) 909-0983 |
| Martorana, Rory | Public Services Administrator: Comm, Market, Tech | Public Library | (203) 946-2283 |
| Murphy, Warren | Housing Code Inspector | Livable City Initiative | (203) 946-2287 |
| Mitchell, Tracey | Title Maintenance Clerk | Assessor’s Office | (203) 946-2323 |
| McLaurin, Elijah | Neighborhood Specialist | Livable City Initiative | (203) 946-2333 |
| Moore-Fox, Lisa | Executive Administrative Assistant | Economic Development Administration | (203) 946-2366 |
| Miranda-Foreman, Noemi | Paralegal | Economic Development Administration | (203) 946-2569 |
| Mancuso, Sam | Overdose Prevention Project Manager | Health Department | (203) 946-3031 |
| Mariotti, Anna | Economic Development Officer / Project Manager | Economic Development Administration | (203) 946-3276 |
| Miranda-Noad, Maria | Executive Administrative Assistant | Community Services Administration | (203) 946-4943 |
| Martin, Stephen | Inspector/Investigator | Fire Services | (203) 946-4944 |
| Morales, Jacqueline | Medical Benefits / Wellness Analyst | Human Resources | (203) 946-4973 |
| Moskowitz, Michael | Paralegal-ARPA | Corporation Counsel | (203) 946-4981 |
| Monaco, Sumalee | Administrative Asstistant | Livable City Initiative | (203) 946-4997 |
| Mack, Dean | Deputy Director, Economic Development | Economic Development Administration | (203) 946-5335 |
| Mustakos, Steve | Superintendent of Streets | Public Works Department | (203) 946-6134 |
| Maidelis, Meghan | Fire Inspector | Fire Services | (203) 946-6224 |
| Mignosa, Robert | Management & Policy Analyst | | (203) 946-6342 |
| Mahon, Michael | Receivables Collector | Finance Department | (203) 946-6401 |
| Milone, Lisa | Republican Registrar of Voters | Registrar of Voters | (203) 946-6429 |
| Mitchell, Lorena | Coordinator Office of Community Health Initiatives | Community Services Administration | (203) 946-6759 |
| Marquez Perez, Kengli | Lead Poisoning Inspector | Health Department | (203) 946-6798 |
| Mezzanotte, Lisa | Supervisor of Management Services | Police Services | (203) 946-6959 |
| Montagna, Joseph | Accountant IV | Finance Department | (203) 946-6973 |
| Musumeci, Angelo | Assistant Building and Plans Official | Office of Building Inspection & Enforcement | (203) 946-7119 |
| Maza, Misty | Legislative Aide II | Board of Alders Legislative Services | (203) 946-7288 |
| Martinez, John | Inspector/Investigator | Fire Services | (203) 946-7656 |
| Matteson, Sean | Chief of Staff | Mayor's Office | (203) 946-7672 |
| Melendez, Maria | Administrative Assistant | Mayor's Office | (203) 946-7680 |
| Moreno, Jeffrey | Project Manager | Housing & Development Administration | (203) 946-7731 |