Abstract: The present invention is directed to an automatic sliver distributor for spinning machines, the spinning units of which are fed from spinning cans of sliver positioned in cooperation with the spinning units, such spinning cans possibly having a horizontal cross-section which is circular or rectangular or with rounded short sides or of another shape. The distributor comprises a movable structure able to run parallel to at least one side of the spinning machine and bearing on its base at least one distribution can of sliver and a unit to distribute the sliver, such distribution can being suitable to contain a quantity of sliver several times greater than the quantity contained in a spinning can.