Joaquin Arambula (born May 17, 1977) is an American politician currently serving in the California State Assembly. He is a Democrat representing the 31st Assembly District, which encompasses southern and western Fresno County, including the cities of Sanger, Reedley, Orange Cove, and the west side of Fresno. Arambula was elected to the Assembly in a 2016 special election to replace former Assemblymember Henry Perea, who resigned to work as a lobbyist for PhRMA.