Julie M. Lassa (born October 21, 1970) is a former Democratic Party member of the Wisconsin State Senate, who represented the 24th District from April 2003 to January 2017.

She served as the executive director of the Plover Area Business Association and as the chair of the Portage County Democratic Party.

Lassa ran against Republican nominee Sean Duffy for Wisconsin's 7th congressional district, held by retiring Dave Obey.

[4] She was endorsed by Mike Tate, the Chairman of the Democratic Party of Wisconsin.

[5] Duffy defeated Lassa with a strong showing in the November 2010 general election.