A multiple switch apparatus is provided with an operation mechanism part including a casing and plural operating bodies held in the casing to be freely movable upward and downward, and a switch mechanism part including plural switch elements each performing a switching operation by the upward and downward movements of each of the operating bodies, plural terminals for connecting the plural switch elements to an external equipment, and a base supporting the plural switch elements and the plural terminals, the operation mechanism part and the switch mechanism part are constructed by separate bodies, the base is fixed in the casing, and the operation mechanism part and the switch mechanism part are united.