| Morrison, Kirk | Branch Manager-Fair Haven | Public Library | (203) 946-8116 |
| Moskowitz, Michael | Paralegal-ARPA | Corporation Counsel | (203) 946-4981 |
| Mujahid, Isa | Lead Poisoning Inspector | Health Department | (203) 800-6265 |
| Mullo, Henry | Administrative Assistant | Fire Services | (203) 946-8022 |
| Munroe, Taylor | Neighborhood Specialist | Livable City Initiative | (203) 846-7888 |
| Murphy, Warren | Housing Code Inspector | Livable City Initiative | (203) 946-2287 |
| Mustakos, Steve | Superintendent of Streets | Public Works Department | (203) 946-6134 |
| Musumeci, Angelo | Assistant Building and Plans Official | Office of Building Inspection & Enforcement | (203) 946-7119 |
| Natalino, Arthur | Project Manager | Housing & Development Administration | (203) 946-7858 |
| Nelson, Brennin | Lead Poisoning Inspector | Health Department | (475) 384-4480 |
| Nieves-Winn, Anna | Community Outreach Coordinator, Small Business Resource Center | Economic Development Administration | (203) 946-8387 |
| NOTGHI, BIJAN | DEPUTY DIRECTOR - OPERATION | Transportation, Traffic & Parking | (203) 946-8069 |
| O’Leary, Jeffrey | Property Appraiser / Assessor | Assessor’s Office | (203) 946-4974 |
| O’Neal, Mezan | Payroll/Benefit Auditor | Finance – Payroll & Pension | (203) 946-6340 |
| O'Connor, Colleen | Admn. Assistant | Corporation Counsel, Fair Rent Commission | (203) 946-4930 |
| Oda, Natalie | Ryan White Quality Assurance Manager | Health Department | |
| O'Hair, James | Library Building Superintendent | Public Library | (203) 946-7456 |
| OLAVARRIA, GERALDO | TRAFFIC MAINTENANCE WORKER | Transportation, Traffic & Parking | |
| OLIVARIA, ENRIQUE | PART-TIME PARKING ENFORCEMENT OFFICER | Transportation, Traffic & Parking | |
| O'Neill, Dan | Plans Reviewer | Office of Building Inspection & Enforcement | (203) 946-6125 |
| Ortiz, Fred Jr. | Foreman Prop Maintenance | Livable City Initiative | |
| Ortiz, Javier | Housing Code Inspector | Livable City Initiative | (203) 946-8396 |
| Osorio, Lee | Field Representative | Fair Rent Commission | (203) 946-8156 |
| Osorio, Leiyanie | Field Representative | Corporation Counsel | (203) 946-8156 |
| P. Augustine, Jalen | Inspector/Investigator | Fire Services | (203) 946-6223 |
| Padua, James | Assistant Superintendent of Parks | Parks Department | (203) 946-7847 |
| Pagan, Crystal | Building Programs and Fiscal Analyst | Office of Building Inspection & Enforcement | (203) 946-7012 |
| Pantelis, Brenda | Executive Administrative Assistant | Chief Administrator's Office | (203) 946-7902 |
| Patton, Jeffrey | Deputy Director | Public Safety Communications | (203) 946-6234 |
| Peeples, Joseph | Housing Code Inspector | Livable City Initiative | (203) 946-8397 |
| PEREZ, ROLANDO | PART-TIME PARKING ENFORCEMENT OFFICER | Transportation, Traffic & Parking | |
| Pernal, Paula | Executive Assistant to Corporation Counsel | Corporation Counsel | (203) 946-7950 |
| Perry-Lambert, Eva | Quartermaster | Police Services | (203) 946-6266 |
| Pinedo, Jair | Special Projects Director | Community Services Administration | (203) 921-8866 |
| Pinto, Michael | Assistant Corporation Counsel | Corporation Counsel | (203) 946-7972 |
