| Helmuth, Eric | Audit Advisory Committee, Chair, Select Board | | | |
| Harvey, Jillian | Youth/Young Adult Study Committee, Director of Diversity, Equity, & Inclusion | | | |
| Hayner, Bill | Youth/Young Adult Study Committee, School Committee Designee | | | |
| Hatch, Eliza | Open Space Committee, Resident | | | |
| Heigham, Christopher | Finance Committee (Prct. 15, 2024) | | | |
| Harmer, Darrel | Capital Planning Committee | Boards & Commissions, Town Manager | | |
| Helmuth, Eric D. | Select Board, Tree Committee | Boards & Commissions, Town Manager | | |
| Hargrove, Molly | Master Plan Update Advisory Committee | Town Manager | | |
| Hartman, Lillian | Master Plan Update Advisory Committee | Town Manager | | |
| Hampe, Amy | Poet Laureate Committee, Library Designee | | | |
| Hurd, John | Audit Advisory Committee, Vice Chair Select Board | Boards & Commissions, Town Manager | | |
| Homan, Elizabeth | Audit Advisory Committee, Superintendent of Schools | Boards & Commissions, Town Manager | | |
| Horowitz, Gary | Human Rights Commission, 2024 | Boards & Commissions, Town Manager | | |
| Homan, Ph.D., Elizabeth C. | Human Rights Response Coordination Team | Boards & Commissions, Town Manager | | |
| Helmuth, Eric | Information Technology Advisory Committee | Boards & Commissions, Town Manager | | |
| Heidell, Pam | Master Plan Advisory Committee | Boards & Commissions, Town Manager | | |
| Hughes, Kenneth | Post Employment Medical Benefits Committee | Boards & Commissions, Town Manager | | |
| Hughes, Kenneth | Retirement Board | Boards & Commissions, Town Manager | | |
| Horan, Richard | Utility Pole Working Group | Boards & Commissions, Town Manager | | |
| Hurd, John | Arlington Committee on Tourism & Economic Development, Select Board | Boards & Commissions, Town Manager | | |
