Joaquin Camacho Arriola (December 25, 1925 – May 4, 2022) was an American attorney and Democratic Party of Guam politician in Guam. Arriola served as a senator in the Guam Legislature from 1955 to 1959 and as a senator in and Speaker of the Guam Legislature from 1967 to 1971, ran for Governor of Guam in 1974, and was the husband of former senator in the Guam Legislature Elizabeth P. Arriola.