阿拉戈伊尼亚斯（葡萄牙语：Alagoinhas）始建于1852年，是位于巴西东部巴伊亚州的一座城市，人口139,723（2006年）。

Alagoinhas is a city in the Brazilian state of Bahia. It is located at around 12°8′9″S 38°25′8″W / 12.13583°S 38.41889°W / -12.13583; -38.41889. It was founded in 1852. In 1974, the city was made the seat of the Roman Catholic Diocese of Alagoinhas.