Rugby Football Union was created in 1871.
Bush Rugby Football Union was created in 1890.
Canterbury Rugby Football Union was created in 1879.
Japan Rugby Football Union was created in 1926.
Taranaki Rugby Football Union was created in 1885.
Auckland Rugby Football Union was created in 1883.
Niue Rugby Football Union was created in 1952.
Rugby Football Union for Women was created in 1994.
Southland Rugby Football Union was created in 1887.
Buller Rugby Football Union was created in 1894.
North Otago Rugby Football Union was created in 1904.
Horowhenua-Kapiti Rugby Football Union was created in 1893.