Abstract: A machine for cleaning cup-shaped filters, particularly those for "expresso" coffee, having a substantially closed casing divided into an upper and a lower portion, the upper portion containing a brush shaped in the form of a cup and driven by an electric motor disposed outside of the casing, a hopper narrowing downwardly in the casing for collecting coffee grounds and a bag container releaseably positioned in the lower part connected to the hopper for receiving the coffee grounds. The casing is provided with an opening adjacent the brush for insertion of the filter to be cleaned.