| Doctrow, Susan | Co-Chair, Community Preservation Act Committee, Select Board Appointee | Town Manager | | |
| Dennis, Greg | Election Modernization Committee, Chair | Town Manager | | gdennis@alum.mit.edu |
| DeStefanis, Giovanna | Election Modernization Committee | Town Manager | | |
| Dunham, Rachel | Master Plan Update Advisory Committee | Town Manager | | |
| Diggins, Leonard | Housing Plan Implementation Committee, Select Board | Planning | | |
| Diggins, Lenard | Poet Laureate Committee, Town Manager Designee | Boards & Commissions, Town Manager | | |
| Delaunay-Danizio , Ann-Marie | Cyrus E. Dallin Museum Trustees | Boards & Commissions, Town Manager | | |
| Dunn, Daniel J. | Budget Revenue Task Force, Select Board | Boards & Commissions, Town Manager | | |
| Deshler, Christine | Audit Advisory Committee, Chair Finance Committee | Boards & Commissions, Town Manager | | |
| Dunn, Daniel J. | Information Technology Advisory Committee | Boards & Commissions, Town Manager | | |
| Danizio, John | Information Technology Advisory Committee | Boards & Commissions, Town Manager | | |
| Davison, Thomas | Arlington Committee on Tourism & Economic Development, Treasurer | Boards & Commissions, Town Manager | | |
| Danizio, John | Building Maintenance Comm | Boards & Commissions, Town Manager | | |
| Deshler, Christine | Building Maintenance Comm, Clerk | Boards & Commissions, Town Manager | | |
| Deck , Stewart | Poet Laureate Committee, School Designee | Boards & Commissions | | |
| DeCourcey, Mary | Board of Youth Services, 2017 | Boards & Commissions | | |
| Delmolino, Adam | Library Board of Trustees, 01/2027 | Boards & Commissions | | |
| Diggins, Lenard | TAC, Chamber of Commerce | Boards & Commissions | | |
| DiTullio, James | Clean Energy Future | | | |
| Dein, Shelly | Clean Energy Future | | | |
