阿拜昂环礁是太平洋岛国基里巴斯的环礁，属于吉尔伯特群岛的一部分，由30个岛屿组成，面积16平方公里，潟湖长26公里、宽8公里，岛上有阿拜昂环礁机场。

Abaiang, also known as Apaiang, Apia, and in the past, C******te Island, in the Northern Gilbert Islands, is a coral atoll of Kiribati, located in the west-central Pacific Ocean. Abaiang was the home of the first missionary to arrive in Kiribati, Hiram Bingham II. Abaiang has a population of 5,502 (2010 census).