A method and a feeding apparatus for feeding spacers for cigarette packs are disclosed, in which each spacer comprises a substantially rectangular flat body, the spacers being insertable in cartons for cigarette packs to space out packs with dimensions smaller than the standard dimensions; the spacers are stacked on a pallet that is positioned in a withdrawal station; the stacks of spacers are withdrawn from the withdrawal station and transferred to a respective hopper by passing each stack of spacers through an upper opening of the hopper, to then unload the spacers one by one through a lower opening of the hopper.