| Cayer, Kim | Mass Ave/Appleton Design Review Committee, The Children's Room | | | |
| Cayer, Kimberly | Board of Youth Services, 2019 | Boards & Commissions | | |
| Cerbone, Vincent M. | Building Maintenance Comm | Boards & Commissions | | |
| Chadha, Amrit | Youth/Young Adult Study Committee, Arlington Student, Moderator Designee | | | |
| Chao, Jessica | Commission for Arts & Culture (ACAC), 2026 | | | |
| Chapnick, Susan | Conservation Commission, Vice Chair | | | |
| Chaves, Philip | Avon Place Historic District Commission, 2025 | Boards & Commissions, Town Manager | | |
| Chhabra, Shelley | ACAC Grants Committee, Co-chair, Secretary, 2026 | | | |
| Christiana, Greg | Town Meeting Procedures Committee, Moderator | Boards & Commissions, Town Manager | | |
| Cody, Ida | Audit Advisory Committee, Town Comptroller | Town Manager | | |
| Cody, Ida | Capital Planning Committee, Comptroller | Town Manager | | |
| Cody, Ida | Retirement Board | | | |
| Cohen, Beth | Historic Districts Commission, Vice Chair, 2024 | Boards & Commissions, Town Manager | | |
| Cole, John | High School Building Committee | | | |
| Cole, John | School Enrollment Task Force, Permanent Town Building Committee | Town Manager | | john@johncolearchitect.com |
| Connerney, Sheila | Council on Aging, 2024 | | | |
| Conway, Andrew | ACAC Grants Committee, Co-chair, Treasurer, 2026 | | | |
| Conway, Andrew | Arlington Cultural Council, Treasurer, 6/30/2023 | | | |
| Cook, Grant | Master Plan Update Advisory Committee | Town Manager | | |
| Copithorne, Bill | Municipal Vulnerability Preparedness, Interim Town Engineer | | | |
