Catherine Miranda (born October 5, 1964) is an American politician and former lawmaker. Miranda previously served in the Arizona Senate, representing the 27th electoral district from 2015 to 2019. She was a member of the Arizona House of Representatives from 2011 to 2015. In 2018, Miranda ran in the Democratic primary for Arizona's 7th congressional district in 2018, challenging incumbent Democrat Ruben Gallego, but lost the nomination. In 2020, she was defeated in her attempt to return to the Arizona House of Representatives by challenging the incumbents, Reginald Bolding and Diego Rodriguez, in the Democratic primary.