Halla Signý Kristjánsdóttir er íslensk stjórnmálakona sem var þingmaður Framsóknarflokksins fyrir Norðvesturkjördæmi frá 2017 til 2024. Hún hefur átt langan og fjölbreyttan feril í opinberri þjónustu á Vestfjörðum, ekki síst sem fjármálastjóri Bolungarvíkurkaupstaðar í þrettán ár.
Halla Signý Kristjánsdóttir is an Icelandic politician who served as a member of the Althing for the Progressive Party representing the Northwest Constituency from 2017 to 2024. She has had a long and varied career in public service in the Westfjords, particularly as financial director of the municipality of Bolungarvík for thirteen years.