The Cook Islands competed at the 2018 Commonwealth Games in the Gold Coast, Australia from April 4 to April 15, 2018. The Cook Islands delegation consisted of 18 athletes (7 male and eleven female) that competed across four sports: athletics (track and field), lawn bowls, swimming and weightlifting. It was The Cook Islands's 11th appearance at the Commonwealth Games. On February 27, 2018, track and field athlete Patricia Taea was named as the nation's flag bearer at the opening ceremony.