Abstract: Machine for industrially cleaning cephalopods and similar mollusks, which is comprised of two working platforms positioned on one same working plane and equipped with means for synchronized movement between the two; a number of loaders on each platform, which can be aligned positioned opposite one another in twos for their synchronized, cyclic shifting, each loader being capable of holding one cephalopod for cleaning; means for turning the cephalopod inside out and simultaneously turning it right side out on its transfer from a loader on the first working platform to a loader on the second working platform; and means connected to the first and second working platform for cleaning the pertinent tubular mantle and internal organs of the cephalopod while they are positioned outside thereof.