The 1977 season was the second year of the National Provincial Championship (NPC), a provincial rugby union competition in New Zealand. Canterbury were the winners of Division 1, thus claiming the title of national champions.
Bay of Plenty and Marlborough finished in the bottom two of Division 1.
The winners of Division 2 North, North Auckland, were automatically promoted to Division 1; Bay of Plenty were relegated, just one season after they won the National Championship.
The winners of Division 2 South, South Canterbury, played Marlborough and won 13âÂÂ9 to earn promotion to Division 1; Marlborough were relegated to Division 2.