Zev Yaroslavsky is a politician from Los Angeles County, California. He was a member of the Los Angeles County Board of Supervisors from District 3, an affluent district which includes the San Fernando Valley, the Westside of Los Angeles and coastal areas between Venice and the Ventura County line. He was first elected to the board in 1994. Yaroslavsky served on the Los Angeles City Council from 1975 to 1994.

The Los Angeles County Board of Supervisors (LACBOS) is the five-member governing body of Los Angeles County, California, United States.