Lisang Pacidal Koyouan, better known by her stage name A-Lin, is a Taiwanese singer and songwriter of Amis descent. She made her debut in February 2006 under Avex Taiwan with the studio album Lovelorn, Not Guilty.

The Amis, also known as the Pangcah, are an indigenous Austronesian ethnic group native to Taiwan. They speak the Amis language, an Austronesian language, and are one of the sixteen officially recognized Taiwanese indigenous peoples. The traditional territory of the Amis includes the long, narrow valley between the Central Mountains and the Coastal Mountains, the Pacific coastal plain eastern to the Coastal Mountains and the Hengchun Peninsula.