Terrance John Cox (born July 18, 1963) is an American politician who served as the U.S. representative for California's 21st congressional district from 2019 to 2021. The son of Chinese American and Filipino American parents, Cox was elected to the House of Representatives in 2018. A member of the Democratic Party, he was defeated in his 2020 rematch with Republican David Valadao. In August 2022, Cox was arrested by the Federal Bureau of Investigation on 15 counts of wire fraud, 11 counts of money laundering, one count of financial institution fraud, and one count of campaign contribution fraud.