| McKenna, David | Finance Committee (Prct. 21, 2024) | | | |
| McCarthy, William | Cemetery Commission (1/2024) | | | |
| Maher, John | Building Committee (PTBC), 6/2025 | | | |
| Martini, Peter | Building Committee (PTBC), 6/2024 | | | |
| Maher, John | Cable Advisory Committee, Chair | | | |
| Mason, Michael | Budget Revenue Task Force, CFO School Department | | | |
| Mayo-Wells, Doug | Bicycle Advisory Committee (ABAC), 6/30/2025 | | | |
| Mahon, Diane M. | Select Board, Vice Chair, 2026 | | (781) 646-9038 | DMahon@town.arlington.ma.us |
| Morgan, Jane | Budget Revenue Task Force, School Committee | | | |
| McKenzie, Julie | Human Resource Board, 2017 | | (781) 646-5315 | |
| Mayer, Leslie | Park & Recreation Commission, 2024 | | | lmayer@town.arlington.ma.us |
| Michele, Hassler | Cemetery Commission, (6/2025) | | | |
| McCarthy, Bill | High School Building Committee, AHS Assistant Principal | | | |
| Mason, Michael | High School Building Committee, School Chief Financial Officer | | | |
| McCabe, Charlie | Minuteman Bikeway 25th Anniversary Committee | | | |
| McDonnell, Andrew | Minuteman Bikeway 25th Anniversary Committee | | | |
| Moulton, Brucie | Minuteman Bikeway 25th Anniversary Committee | | | |
| Mahon, Diane | CDBG Subcommittee, Select Board | | | |
| Maxtutuis, Jeff | Transportation Advisory Committee Rep. | | | |
| Mirak, Jill | Parking Advisory Committee, Chamber of Commerce | | | |
