| Reynolds, Emily | Arlington Cultural Council, Chair, 6/30/2023 | Town Manager | | |
| Ricker, Claire | Director, Department of Planning and Community Development | Town Manager | | |
| Revilak, Pct. 1, Steve | Appointed by the Town Moderator | Town Manager | | |
| Robinson, JoAnn | Community Preservation Act Committee, Historical Commission | Town Manager | | |
| Ryan-Vollmar , Susan | Co-Chair, Civilian Police Advisory Board Study Committee, LGBTQIA+ Rainbow Commission | Town Manager | | susanryanvollmar@gmail.com |
| Rowe, Clarissa | Community Preservation Act Committee, Select Board Appointee | Planning | | |
| Revilak, Stephen | Redevelopment Board (9/22/2028) | Planning | | srevilak@town.arlington.ma.us |
| Roman, Joan | Human Rights Response Coordination Team | Boards & Commissions, Town Manager | | |
| Revilak, Stephen | Information Technology Advisory Committee | Boards & Commissions, Town Manager | | |
| Radochia, Bob | Master Plan Advisory Committee | Boards & Commissions, Town Manager | | |
| Richter, Wendy | Master Plan Advisory Committee | Boards & Commissions, Town Manager | | |
| Rateau, Corey | TAC, Police Rep., Traffic Unit | Boards & Commissions, Town Manager | | |
| Ruggieri, Mike | Uncle Sam Committee | Boards & Commissions, Town Manager | | |
| Rademacher, Michael | Local Emergency Planning Committee, DPW Director | Boards & Commissions, Town Manager | | |
| Roman, Joan | Local Emergency Planning Committee, Public Information Officer | Boards & Commissions, Town Manager | | |
| Raymond, Richard | Local Emergency Planning Committee, Armstrong | Boards & Commissions, Town Manager | | |
| Raia, PhD, Paul | Council on Aging, Associate | Boards & Commissions, Town Manager | | |
| Ratiner, Steven | Poet Laureate Committee, former Poet Laureate | Boards & Commissions, Town Manager | | |
| Rateau, Corey | Parking Advisory Committee, Police Traffic Division | Boards & Commissions, Town Manager | | |
| Richter, Wendy | Master Plan Implementation Committee | Boards & Commissions | | |
