The 1983 season was the eighth year of the National Provincial Championship (NPC), a provincial rugby union competition in New Zealand. Canterbury were the winners of Division 1.
Division 1
The following table gives the final standings: ==Division 2 (North Island) ==
Division 2 (North Island)
The following table gives the final standings: ==Division 2 (South Island) ==
Division 2 (South Island)
The following table gives the final standings: ==Promotion/relegation==
Promotion/relegation
Division Two South winner defeated Division Two North winner 6 points to 3 in the playoff match. Mid-Canterbury then challenged , but were defeated 32 points to 15 for Hawke's Bay remained in Division One for the 1984 season. ==References==