Lois Wolk (born May 12, 1946) is an American politician and former member of the California State Senate.
A Democrat, she represented the 3rd Senate District, which encompasses the Sacramento–San Joaquin River Delta region and portions of the North Bay.
Wolk was a member of the California Legislative Jewish Caucus.
Before being elected to the State Senate in 2008, she served in the California State Assembly, where she represented the 8th Assembly District, and the 5th Assembly District after the 2010 redistricting.
She is also a former member of both the Yolo County Board of Supervisors and the Davis City Council.