An image reading apparatus includes a document reading device, an operation device, and a control device. The document reading device collectively reads a plurality of documents loaded on a document loading surface to generate image data. The control device functions as an individual image cutter, an operation receiver, and a generator. The individual image cutter cuts, from the image data generated by the document reading device, individual images independent for the respective documents. The operation receiver receives, via the operation device, a first instruction indicating a number of documents collected in one image. The generator generates document image data which is corresponding to an image of a size formable on a single recording medium and which has a collection of pieces of individual image data indicating the individual images, in unit of the number indicated by the first instruction.