| Radochia, Bob | Arlington Committee on Tourism & Economic Development | Boards & Commissions | | |
| Ruderman, Michael | Finance Committee (Prct. 9, 2024) | Boards & Commissions | | |
| 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 | | | |
| Rubinson, Andy | LGBTQIA+ Rainbow Commission, 2022 | | | |
| Revilak, Stephen | Housing Plan Implementation Committee | | | |
| Rapp, William | Semiquincentennial Committee, At-large, Select Board | | | |
| Richter, Wendy | Open Space Committee, Co-Chair, Arlington Redevelopment Board Designee | | | |
| Rob Behrent | High School Building Committee, Facilities Director | | | |
| Ruiz, Dan | High School Building Committee | | | |
| Rateau, Corey | Police Department Rep. | | | |
| Radochia, Bob | Civilian Police Advisory Board Study Committee, Citizens Police Academy Graduate | | | |
| Rowe , Clarissa | Civilian Police Advisory Board Study Committee, Town Meeting Member | | | |
| Rateau, Corey | Mass Ave/Appleton Design Review Committee, Police Department | | | |
| Rademacher, Michael | Sustainable Transportation, Public Works | | | |
| Rateau, Corey | Sustainable Transportation, Police Department | | | |
| Rademacher, Michael | AHNAP, Director of Public Works | | | |
| Russian, DonnaRose | Election Modernization Committee, Republican Town Committee | | | |
| Rogers , Kathleen | Civilian Police Advisory Board Study Committee, Human Rights Commission | | | |
