| MELENDEZSENIOR, JOAQUIN | TRAFFIC TECHNICIAN | Transportation, Traffic & Parking | |
| Melendez, Maria | Administrative Assistant | Mayor's Office | (203) 946-7680 |
| McLaurin, Elijah | Neighborhood Specialist | Livable City Initiative | (203) 946-2333 |
| Mazzadra, Rick | Housing Code Inspector | Livable City Initiative | (203) 946-8250 |
| Maza, Misty | Legislative Aide II | Board of Alders Legislative Services | (203) 946-7288 |
| Matteson, Sean | Chief of Staff | Mayor's Office | (203) 946-7672 |
| Mata, Maritza | Tax Collection Analyst | Finance – Tax Office | (203) 946-2217 |
| MASON, MYRTIS | EXECUTIVE ADMINISTRATIVE | Transportation, Traffic & Parking | (203) 946-8078 |
| Marvin, Leeane | Park Ranger Trowbridge Environmental Center | Youth and Recreation Department | |
| Martorana, Rory | Public Services Administrator: Comm, Market, Tech | Public Library | (203) 946-2283 |
| Martinez, Benjamin | Site Equipment Resource Manager | | (203) 946-8199 |
| Martinez, Arami | Chief Payable Auditor | Finance Department | (203) 946-8305 |
| Marquez Perez, Kengli | Lead Poisoning Inspector | Health Department | (203) 946-6798 |
| Mariotti, Anna | Economic Development Officer | Economic Development Administration | (203) 946-3276 |
| Marioni, Cheryl | Management Division Analyst | Police Services | (203) 946-6280 |
| Mancuso, Sam | Overdose Prevention Project Manager | Health Department | (203) 946-3031 |
| Mancini, Kristin | Technical Services (Cataloging & Acquisitions) | Public Library | (203) 946-8127 |
| Mallison Jr., Gerald | Management Policy Analyst | Finance Department | (203) 946-7905 |
| MAITLAND, CARLA | CHIEF SCHOOL CROSSING GUARD | Transportation, Traffic & Parking | (203) 946-8072 |
| Maidelis, Meghan | Fire Inspector | Fire Services | (203) 946-6224 |
| Mahon, Michael | Receivables Collector | Finance Department | (203) 946-6401 |
| Mack, Dean | Economic Development Officer | Economic Development Administration | (203) 946-5335 |
| LUMPKIN, JASON | TRAFFIC MAINTENANCE WORKER | Transportation, Traffic & Parking | |
| Lucas, Albert | Director of Legislative Services | Board of Alders Legislative Services | (203) 946-8371 |
| Lopez, Monika | Public Health Nursing Coordinator | Health Department | (203) 946-2395 |
| Lopez, Luis | Animal Control Officer | Police Services | (203) 946-8110 |
| Longo, Shellie | Senior Sanitarian | Health Department | (203) 946-8332 |
| Logan, Brooke | Deputy Director of Health | Health Department | (203) 946-8351 |
| Lewis, Dawn | Executive Administrative Assistant | Youth and Recreation Department | (203) 946-7173 |
| LEWIS, DARRYL | PARKING ENFORCEMENT OFFICER | Transportation, Traffic & Parking | |
| Leonard, John | Asst. Corp. Counsel | Corporation Counsel | (203) 946-7963 |
| Lennon Jr., Richard | Recreation Supervisor | Youth and Recreation Department | |
| Lawton, Celestine | Administrative Assistant II | Community Services Administration | (203) 946-8504 |
| Lavado-Ponce, Ingrid | Assessment Information Clerk II | Assessor’s Office | (203) 946-4908 |
| Latham, Tempestt | Health Programs Director | Health Department | (203) 946-4958 |
