Rugby union in Hawaii was effectively established with the founding of the Hawaii Harlequins Club in 1964, The Harlequins staged annual invitational tournaments in the 1980s at
Kapiolani Park, The original Hawaii Rugby Football Union was founded in 1975, Hawaii Youth Rugby was founded as a non-profit organization in 2004 to build rugby programs for boys and girls and increase participation in rugby. It became a State Based Rugby Organization (SBRO) under the USA Rugby umbrella in 2009. ==Clubs==