| Diggins, Lenard | TAC, Chamber of Commerce | Boards & Commissions | | |
| Diggins, Lenard | Youth/Young Adult Study Committee, Select Board Designee, Secretary | | | |
| Diggins, Leonard | Housing Plan Implementation Committee, Select Board | Planning | | |
| DiNoto, Anne | Mass Ave/Appleton Design Review Committee, Resident | | | |
| DiTullio, James | Clean Energy Future | | | |
| Doctrow, Susan | Co-Chair, Community Preservation Act Committee, Select Board Appointee | Town Manager | | |
| Dumay, Zach | Arlington Civilian Police Advisory Commission, 6/2025 | | | |
| Dunham, Rachel | Master Plan Update Advisory Committee | Town Manager | | |
| Dunn, Dan | Minuteman Bikeway 25th Anniversary Committee | | | |
| Dunn, Daniel J. | Budget Revenue Task Force, Select Board | Boards & Commissions, Town Manager | | |
| Dunn, Daniel J. | Information Technology Advisory Committee | Boards & Commissions, Town Manager | | |
| Dutra, Samantha | Equal Opportunity Advisory Committee | | | |
| Elkin, Elliot | Civilian Police Advisory Board Study Committee, Arlington High School student | | | |
| Elliot, Christine | Human Rights Response Coordination Team | Boards & Commissions, Town Manager | | |
| Elliott, Beth | Affordable Housing Trust Fund Board | Town Manager | | |
| Epstein, Linda | Mass Ave/Appleton Design Review Committee, Resident | | | |
| Etienne Pierre, Weslie | Envision Arlington Standing Committee | | | |
| Fallon , Kerrie | Civilian Police Advisory Board Study Committee, Disability Commission | | | |
| Fallon, Kerrie | Disability Commission, 2024 | | | |
| Fantini, Alfred | Retirement Board | Boards & Commissions, Town Manager | | |
