| Dutra, Samantha | Equal Opportunity Advisory 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 | | |
| Dunn, Dan | Minuteman Bikeway 25th Anniversary Committee | | | |
| Dunham, Rachel | Master Plan Update Advisory Committee | Town Manager | | |
| Dumay, Zach | Arlington Civilian Police Advisory Commission, 6/2025 | | | |
| Doctrow, Susan | Co-Chair, Community Preservation Act Committee, Select Board Appointee | Town Manager | | |
| DiTullio, James | Clean Energy Future | | | |
| DiNoto, Anne | Mass Ave/Appleton Design Review Committee, Resident | | | |
| Diggins, Leonard | Housing Plan Implementation Committee, Select Board | Planning | | |
| Diggins, Lenard | Election Modernization Committee, Select Board | | | ldiggins@town.arlington.ma.us |
| Diggins, Lenard | TAC, Chamber of Commerce | Boards & Commissions | | |
| Diggins, Lenard | Poet Laureate Committee, Town Manager Designee | Boards & Commissions, Town Manager | | |
| Diggins, Lenard | Sustainable Transportation, TAC | | | |
| Diggins, Lenard | Select Board, 2026 | | (617) 863-6433 | LDiggins@town.arlington.ma.us |
| Diggins, Lenard | Youth/Young Adult Study Committee, Select Board Designee, Secretary | | | |
| Diggins, Len | AHNAP, ACMi | | | |
| Devney, Darcy | Sustainable Transportation, Disability Commission | | | |
| DeStefanis, Giovanna | Election Modernization Committee | Town Manager | | |
| DeStefanis, Giovanna | Election Modernization Committee, Youth Appointee | | | |
