| DeCourcey, Stephen W. | Select Board, Chair, 2025 | | (781) 643-7291 | SDeCourcey@town.arlington.ma.us |
| DeCourcey, Steve | Long Range Planning Committee | | | |
| Dein, Shelly | Clean Energy Future | | | |
| Delaunay-Danizio , Ann-Marie | Cyrus E. Dallin Museum Trustees | Boards & Commissions, Town Manager | | |
| Delmolino, Adam | Library Board of Trustees, 01/2027 | Boards & Commissions | | |
| Demers, Roland | Constables | | (617) 640-1791 | |
| Dennis, Greg | Election Modernization Committee, Chair | Town Manager | | gdennis@alum.mit.edu |
| Dertz, Emily | Zero Waste Arlington | | | |
| Desai, Mahendra | Council on Aging, 2025 | | | |
| Deshler, Christine | Audit Advisory Committee, Chair Finance Committee | Boards & Commissions, Town Manager | | |
| Deshler, Christine | Building Maintenance Comm, Clerk | Boards & Commissions, Town Manager | | |
| Deshler, Christine | Finance Committee, Chair (Prct. 19, 2024) | | | |
| DeStefanis, Giovanna | Election Modernization Committee | Town Manager | | |
| DeStefanis, Giovanna | Election Modernization Committee, Youth Appointee | | | |
| Devney, Darcy | Sustainable Transportation, Disability Commission | | | |
| Diggins, Len | AHNAP, ACMi | | | |
| Diggins, Lenard | Election Modernization Committee, Select Board | | | ldiggins@town.arlington.ma.us |
| Diggins, Lenard | Poet Laureate Committee, Town Manager Designee | Boards & Commissions, Town Manager | | |
| Diggins, Lenard | Select Board, 2026 | | (617) 863-6433 | LDiggins@town.arlington.ma.us |
| Diggins, Lenard | Sustainable Transportation, TAC | | | |
