To provide an oil filter crusher with which the work to replace waste oil can be simplified without requiring a wide floor area and the volume of used oil filters can be reduced without entailing scattering of residual oil and dislodgment of the filters.

The oil filter crusher 1 is used by being removably mounted in a top aperture 2a of a waste oil storage container 2 fabricated by using a drum can and comprises a crusher body 3 for crushing the used oil filters and a holding frame 5 for removably mounting the crusher body 3 in the top aperture 2a. Both sides of the holding frame 5 are removably mounted with filter loading members 4 respectively formed to a bow shape. The crusher body 3 is constructed by disposing a press plate 8 for crushing the oil filters within a hermetic casing 6 having an opening/closing door 6a for putting the oil filters in and out and an oil discharge port 7.