In order to solve a conventional problem that it is not possible to simultaneously output two or more images obtained by performing different processes on one input image, an image output apparatus includes: an input image accepting unit that accepts an input image; a first image acquiring unit that acquires a first image based on the input image; a second image acquiring unit that performs an image process that is different from the process that is performed by the first image acquiring unit, on the input image or the first image, thereby acquiring a second image; and an output unit that outputs the first image and the second image. Accordingly, it is possible to simultaneously output two or more images obtained by performing different processes on one input image.