The 2002–03 National Division Two was the third version (sixteenth overall) of the third division of the English domestic rugby union competition using the name National Division Two. New teams to the division included Henley Hawks and Bracknell who were relegated from the 2001–02 National Division One while promoted teams included Doncaster who were champions of the 2001–02 National Division Three North as well as Cornish teams Penzance & Newlyn (champions) and Launceston (playoffs) who came up from the 2001–02 National Division Three South. The league points system was 2 points for a win and 1 point for a draw.