阿劳特拉湖（法语：Lac Alaotra）是马达加斯加最大的湖泊。位于图阿马西纳省，在中央高原的北部。湖所在的洼地由数个较浅的淡水湖组成，是全岛最重要的稻米生产地的中心。 该湖是一个重要的野生动物栖息地，包括数种极其稀有的物种，也是渔业基地。湖区及湿地覆盖7223平方公里，湖面面积900平方公里。2003年2月2日，国际湿地公约宣布阿劳特拉湖为世界重要湿地。

阿劳特拉湖的生态问题十分严重，非洲大陆来的物种入侵，人类过度开垦等都威胁着当地的生态。2010年，阿劳特拉䴙䴘灭绝。其他多种物种也濒临灭绝。 Ambato河流经该湖，并在381公里外流入印度洋。

Lake Alaotra (French:Lac Alaotra) is the largest lake in Madagascar, located in Toamasina Province, in the northern central plateau. Its basin is composed of shallow freshwater lakes and marshes surrounded by areas of dense vegetation. It forms the center of the island's most important rice-growing region. It is a rich habitat for wildlife, including some rare and endangered species, as well as an important fishing ground. Lake Alaotra and its surrounding wetlands cover 7,223 square kilometres (2,789 sq mi), and include a range of habitats, including open water, reedbeds, marshes, and rice paddies. The lake itself covers 900 km (350 sq mi). Lake Alaotra was declared a wetland of international importance under the international Ramsar Convention on February 2, 2003.