Diane Lewis is an American trade unionist and politician currently serving as Chair of the Utah Democratic Party.
[2] She made history becoming the first woman to be elected as a secretary-treasurer of a labor union in the state of Utah.
[3] Lewis was a candidate in the 2020 Utah House of Representatives election in District 43 but was defeated by Republican Cheryl Acton.
[5] In 2021, Lewis became interim chair of the Utah Democratic Party following the resignation of Jeff Marchant.
[11] In July 2024 with the withdrawal of Biden from the election, Lewis paid tribute to the president but did not immediately endorse the campaign of Kamala Harris.