| Gruber, Rebecca | Library Board of Trustees, 06/2026 | | | |
| Gruber, Rebecca | Master Plan Update Advisory Committee (AMPUp) | Planning | | |
| Gruber, Rebecca | Town Meeting Procedures Committee | Town Manager | | |
| Guillou, Judith | CDBG Subcommittee, Resident | | | |
| Gustas, Nicole | Arlington Committee on Tourism & Economic Development | Boards & Commissions | | |
| Haas, Andrea | Equal Opportunity Advisory Committee | | | |
| Hallett, Pamela | AHNAP, Housing Corp. of Arlington | | | |
| Hamilton, Malcolm | Central School Feasibility Study Committee | | | |
| Hampe, Amy | Library Board of Trustees, 01/2027 | Boards & Commissions | | |
| Hampe, Amy | Poet Laureate Committee, Library Designee | | | |
| Hargrove, Molly | Master Plan Update Advisory Committee | Town Manager | | |
| Harmer, Darrel | Capital Planning Committee | Boards & Commissions, Town Manager | | |
| Harmer, Darrel | Finance Committee, Vice Chair (Prct. 12, 2024) | | | |
| Harper, Molly | Cyrus E. Dallin Museum Trustees, Co-Chair | | | |
| Hartman, Lillian | Master Plan Update Advisory Committee | Town Manager | | |
| Harvey, Jillian | Civilian Police Advisory Board Study Committee, Director Diversity, Equity & Inclusion | | | |
| Harvey, Jillian | Youth/Young Adult Study Committee, Director of Diversity, Equity, & Inclusion | | | |
| Hasbrouck, Brian L. | Cemetery Commission (1/2024) | Boards & Commissions | | |
| Hatch, Eliza | Open Space Committee, Resident | | | |
| Haydock, Augusta | Equal Opportunity Advisory Committee, Chair | Boards & Commissions | | |
