A file splitting apparatus for splitting a data file recorded over a plurality of recording management regions arranged in the recording region of a recording medium, the apparatus including a management region detecting section for detecting a management region including a file splitting position, a management region recording part copying section for copying the management region recording part including the file splitting position; and a management information altering section for altering the management information of the data file to first management information for managing one of the split data files obtained by splitting the data file at the file splitting position and second management information for managing the other split data file.