| Rateau, Corey | Mass Ave/Appleton Design Review Committee, Police Department | | | |
| Revilak, Stephen | Housing Plan Implementation Committee | | | |
| Rapp, William | Semiquincentennial Committee, At-large, Select Board | | | |
| Richmond, Erica | Arlington Civilian Police Advisory Commission, Clerk, 6/2026 | | | |
| Rogers, Kathy | Arlington Civilian Police Advisory Commission, 6/2026 | | | |
| Revilak, Stephen | Master Plan Update Advisory Committee | | | |
| Ruderman, Michael | Finance Committee (Prct. 9, 2024) | Boards & Commissions | | |
| Richter, Wendy | Master Plan Implementation Committee | Boards & Commissions | | |
| Radochia, Bob | Arlington Committee on Tourism & Economic Development | Boards & Commissions | | |
| 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 | | |
| 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 | | |
