To provide a cutting device capable of maintaining good printing quality and cutting accuracy even when the number of kinds of recording media to be used is increased, and an image forming apparatus having the cutting device.

This cutting device 300 comprises a cutting means for cutting a recording medium P in a predetermined length. A pressing means 304 for pressing the recording medium when cutting it, is provided to the cutting device. The pressing face of the pressing means is made of an elastic member 305 and a friction member is provided to a side opposite to the elastic member 305. The cutting means moves by engaging with the friction member to surely cut the recording medium.