There are at least four artists with this name. 1) Also known as 에이오에이. AOA is a South Korean girl group under FNC Entertainment that debuted in 2012. AOA members are Seol Hyunari (Kim Seol Hyun), Choaya (윤수 / Yoon Su), Hyejeong Linus, Chanmi T T (박찬미 / Park Chan Mi), Yunaria (서유나 / Seo Yoo Na), Minaring (권민아 / Kwon Min Ah), Jiminel (신지민 / Shin Jimin), and Y (유경 / Yugyeon/ Yukyeong). They debuted on July 30th with their first single album Angels' Story. http://www.a-o-a.co.kr/ Read more about AOA on Last.fm.