To provide a photographic print sorting method by which photographic prints are easily sorted for every print order even when printing processing corresponding to a plurality of print orders given by different orderers is performed in an intermingled way, and to provide a photographic printer and a photographic print sorting device.

When block order information obtained by dividing integrated order information on image data group, which is put together into one, into plurality is input from each of a plurality of print order receiving devices 02 connected to the photographic printer 03, a back print part 14 printing print order information on each photographic paper prints integrated order discrimination data by which the integrated order information can be discriminated on each photographic paper. Then, it processes to print first print discrimination data by which the first print based on the integrated order information can be discriminated on the first photographic paper, and also prints final print discrimination data by which the final print can be discriminated on the final photographic paper, whereby the photographic prints based on the integrated order information are put together based on the respective printed discrimination data.