| Cody, Ida | Audit Advisory Committee, Town Comptroller | Town Manager | | |
| Callahan, Francis | High School Building Committee, Community Member | | | |
| Cole, John | High School Building Committee | | | |
| Carr-Jones, Elisabeth | Open Space Committee, Co-Chair, Envision Arlington Designee | | | |
| Copithorne, Bill | Municipal Vulnerability Preparedness, Interim Town Engineer | | | |
| Curren, James | Municipal Vulnerability Preparedness, Captain Arlington Police | | | |
| Cody, Ida | Capital Planning Committee, Comptroller | Town Manager | | |
| Cox, Nancy | Council on Aging, 2024 | | | |
| Campbell, Jennifer | Zero Waste Arlington, Co-Chair | | | |
| Carney, Christine | Human Rights Commission | Town Manager | | |
| Cody, Ida | Retirement Board | | | |
| Canniff, Shirley | Open Space Committee, Park and Recreation Commission | | | |
| Carman, Dean | Finance Committee, (Prct 20, 2026) | | | |
| Conway, Andrew | Arlington Cultural Council, Treasurer, 6/30/2023 | | | |
| Castellano, Nicholas | Arlington Cultural Council, ACAC Liaison, Recording Secretary 6/30/2023 | | | |
| Cayer, Kim | Mass Ave/Appleton Design Review Committee, The Children's Room | | | |
| Copithorne, Interim Town Engineer, Bill | Mass Ave/Appleton Design Review Committee, Department of Public Works | | | |
| Connerney, Sheila | Council on Aging, 2024 | | | |
| Cagan-Teuber, Janice | Remote Participation Study Committee | | | |
| Chadha, Amrit | Youth/Young Adult Study Committee, Arlington Student, Moderator Designee | | | |
