扇羽鳃属（学名：'），又名扇鳃海蛞蝓属，是裸鳃目枝鳃亚目之下的一个海蛞蝓的属、海洋腹足纲软体动物扇羽鳃科的成员。
分类历史.扇羽鳃属由Gray于1850年建立，模式种为"Flabellina affinis" and characterised by the being arranged on peduncles and the s being annulate. Many species were added by subsequent authors. In 1981 the