| DeCourcey, Steve | Long Range Planning Committee | | | |
| Devney, Darcy | Sustainable Transportation, Disability Commission | | | |
| Diggins, Lenard | Sustainable Transportation, TAC | | | |
| Diggins, Len | AHNAP, ACMi | | | |
| Davison, Robert | AHNAP, Resident | | | |
| Dertz, Emily | Zero Waste Arlington | | | |
| Diggins, Leonard | Housing Plan Implementation Committee, Select Board | Planning | | |
| DiNoto, Anne | Mass Ave/Appleton Design Review Committee, Resident | | | |
| DeStefanis, Giovanna | Election Modernization Committee | Town Manager | | |
| DeStefanis, Giovanna | Election Modernization Committee, Youth Appointee | | | |
| Dutra, Samantha | Equal Opportunity Advisory Committee | | | |
| DeCourcey, Stephen | Local Emergency Planning Committee, Select Board | | | |
| Diggins, Lenard | Youth/Young Adult Study Committee, Select Board Designee, Secretary | | | |
| D'Angelo, Chris | Arlington Committee on Tourism & Economic Development, Vice Chair | | | |
| Deakin, Michelle | Arlington Committee on Tourism & Economic Development | | | |
| Desai, Mahendra | Council on Aging, 2025 | | | |
| Dumay, Zach | Arlington Civilian Police Advisory Commission, 6/2025 | | | |
| Davidson-Hernandez, Jennifer | Arlington Civilian Police Advisory Commission, 6/2027 | | | |
| Dunham, Rachel | Master Plan Update Advisory Committee | Town Manager | | |
| Dennis, Greg | Election Modernization Committee, Chair | Town Manager | | gdennis@alum.mit.edu |
