Blanca Estela Rubio (born September 15, 1969) is an American politician serving in the California State Assembly since 2016. She is a Democrat representing the 48th Assembly District, encompassing parts of the eastern San Gabriel Valley, including Baldwin Park, Covina, and Glendora. Prior to being elected to the Assembly, she was a board trustee for the Baldwin Park Unified School District, and a schoolteacher for 16 years. Rubio is a board member of the Chamber of Progress, a tech industry trade group.