Rugby Hawaii Inc. is a non-profit organization and an associate union (AU) under the umbrella of the national organization, USA Rugby.

[1] Rugby union in Hawaii was effectively established with the founding of the Hawaii Harlequins Club in 1964,[2][3] although occasional games had been played earlier in Hawaiian history as far back as 1884.

[2][3] The Harlequins staged annual invitational tournaments in the 1980s at Kapiolani Park,[4] that attracted teams from the around the Asia-Pacific, Australasia and North America which promoted the development of rugby in Hawaii.

[5] The original Hawaii Rugby Football Union was founded in 1975,[4] and they selected teams from 1976 onwards to make tours to the United States mainland as well as other rugby destinations including Australia and New Zealand.

[2] Hawaii also played in the curtain raiser for the 1987 World Cup in New Zealand, defeating Rotorua.