To improve accuracy of processing of searching for an image including a desired person from a plurality of images, the present invention provides an image processing apparatus 10 including: an acquisition unit 11 that acquires a search query including pose information indicating a pose of a body of a person and appearance information indicating an appearance of a person; and a search unit 12 that searches for an intended image from a plurality of reference images by using partial pose information indicating a pose of a part of a body of a person in the pose information included in the search query, and partial appearance information being a part of the appearance information included in the search query.