An image processing apparatus (1), for performing image processing on image data which is obtained by performing imaging of a subject and in which the degree of motion blurring of an image represented by the image data changes in accordance with an imaging condition at the time of performing imaging of the subject, includes a motion information correcting unit (12) for correcting motion information representing motion concerning the image on the basis of imaging information representing the imaging condition, and a motion blurring adding unit (13) for adding motion blurring to the image by using the motion information corrected by the motion information correcting means to perform image processing on the image data.