The present disclosure in some embodiment provides a backing member for an ultrasonic probe that is disposed on a rear surface of a piezoelectric element constituting the ultrasonic probe to attenuate ultrasonic waves radiated from the rear surface of the piezoelectric element, the backing member including a mixture of a base member and a filler, wherein the base member is a polyurethane resin and the filler is manganese powder, whereby the backing member has appropriate sound absorption function and excellent dicing processability and provides an ultrasonic probe including the backing member.