Susan Rubio is an American politician serving in the California State Senate. She represents the 22nd Senate District in eastern Los Angeles County and is a member of the Democratic Party. Prior to being elected to the California Legislature in 2018, she was an elected official for the City of Baldwin Park for 13 years and a public school teacher for 17 years.

The California State Senate is the upper house of the California State Legislature, the lower house being the California State Assembly. The state senate convenes, along with the state assembly, at the California State Capitol in Sacramento.