霍宁达尔湖是挪威的湖泊，由松恩-菲欧拉讷郡负责管辖，长22公里、宽4公里，面积51平方公里，海拔高度53米，平均水深236米，最大水深514米，是欧洲最深的湖泊，蓄水量12.1立方公里。

Hornindalsvatnet is Norway's and Europe's deepest lake, officially measured to a depth of 514 metres (1,686 ft). Its surface is 53 metres (174 ft) above sea level, which means that its bottom is 461 metres (1,512 ft) below sea level. The village of Grodås lies at the eastern end of the lake in Hornindal Municipality and the village of Mogrenda is located on the western end of the lake in Eid Municipality. The European route E39 highway runs near the lake. The village of Heggjabygda and Heggjabygda Church lie on the northern shore of the lake.