| Rademacher, Michael | AHNAP, Director of Public Works | | | |
| Revilak, Pct. 1, Steve | Appointed by the Town Moderator | Town Manager | | |
| Rogers, Kathy | Arlington Civilian Police Advisory Commission, 6/2026 | | | |
| Richmond, Erica | Arlington Civilian Police Advisory Commission, Clerk, 6/2026 | | | |
| Radochia, Bob | Arlington Committee on Tourism & Economic Development | Boards & Commissions | | |
| Radochia, Bob | Arlington Committee on Tourism & Economic Development | | | |
| Reynolds, Emily | Arlington Cultural Council, Chair, 6/30/2023 | Town Manager | | |
| Rice M.D., Peter | Board of Health, 6/2025 | | | |
| Rademacher, Michael | Building Committee (PTBC), Superintendent of Schools designee | | | |
| Radochia, Bob | Civilian Police Advisory Board Study Committee, Citizens Police Academy Graduate | | | |
| Rogers , Kathleen | Civilian Police Advisory Board Study Committee, Human Rights Commission | | | |
| Rowe , Clarissa | Civilian Police Advisory Board Study Committee, Town Meeting Member | | | |
| Ryan-Vollmar , Susan | Co-Chair, Civilian Police Advisory Board Study Committee, LGBTQIA+ Rainbow Commission | Town Manager | | susanryanvollmar@gmail.com |
| Robinson, JoAnn | Community Preservation Act Committee, Historical Commission | Town Manager | | |
| Rowe, Clarissa | Community Preservation Act Committee, Select Board Appointee | Planning | | |
| Raia, PhD, Paul | Council on Aging, Associate | Boards & Commissions, Town Manager | | |
| Ricker, Claire | Director, Department of Planning and Community Development | Town Manager | | |
| Rademacher, Michael | Disability Commission, 2024 | | | |
| Russian, DonnaRose | Election Modernization Committee, Republican Town Committee | | | |
| Remy, Jordan | Finance Committee (Prct. 1, 2025) | | | |
