| Richter, Wendy | Open Space Committee, Co-Chair, Arlington Redevelopment Board Designee | | | |
| Richter, Wendy | Master Plan Implementation Committee | Boards & Commissions | | |
| Richter, Wendy | Master Plan Advisory Committee | Boards & Commissions, Town Manager | | |
| Richmond, Erica | Arlington Civilian Police Advisory Commission, Clerk, 6/2026 | | | |
| Rice M.D., Peter | Board of Health, 6/2025 | | | |
| Reynolds, Emily | Arlington Cultural Council, Chair, 6/30/2023 | Town Manager | | |
| Revilak, Pct. 1, Steve | Appointed by the Town Moderator | Town Manager | | |
| Revilak, Stephen | Housing Plan Implementation Committee | | | |
| Revilak, Stephen | Redevelopment Board (9/22/2028) | Planning | | srevilak@town.arlington.ma.us |
| Revilak, Stephen | Information Technology Advisory Committee | Boards & Commissions, Town Manager | | |
| Revilak, Stephen | Master Plan Update Advisory Committee | | | |
| Remy, Jordan | Finance Committee (Prct. 1, 2025) | | | |
| Raymond, Richard | Local Emergency Planning Committee, Armstrong | Boards & Commissions, Town Manager | | |
| Rawson, Sheila | Human Resource Board, 2018 | | (781) 643-6532 | |
| Ratiner, Steven | Poet Laureate Committee, former Poet Laureate | Boards & Commissions, Town Manager | | |
| Rateau, Corey | Parking Advisory Committee, Police Traffic Division | Boards & Commissions, Town Manager | | |
| Rateau, Corey | TAC, Police Rep., Traffic Unit | Boards & Commissions, Town Manager | | |
| Rateau, Corey | Mass Ave/Appleton Design Review Committee, Police Department | | | |
| Rateau, Corey | Sustainable Transportation, Police Department | | | |
| Rateau, Corey | Police Department Rep. | | | |
