Hilary S. Franz (born July 3, 1970) is an American politician and conservation attorney who previously served as the 16th Washington State Commissioner of Public Lands from 2017 to 2025.

[2][3] Franz graduated from Smith College with a bachelor's degree in English language and government in 1992 and the Northeastern University School of Law with a juris doctor.

[1][5] Franz was elected to the Bainbridge Island city council in 2008 and served one term, during which she lobbied the state government for the establishment of the area's first open water marina at Eagle Harbor.

Senator Patty Murray, and a coalition of environmental groups and unions,[2] Franz won 53 percent of the vote in the general election but failed to win any counties in Eastern Washington.

[17] Under Franz, logging on DNR lands was allowed to increase in order to raise revenue for local government needs, which drew criticism from conservationists.

[20] Franz withdrew from the race on November 10 to run for the United States House of Representatives in the 6th district, a day after incumbent Derek Kilmer announced he was not seeking re-election in the 2024 election.

[22] Franz attributed her loss to heavy spending from out-of-state donors and political action committees that supported her Democratic opponent state senator Emily Randall.