Longgan Lake (simplified Chinese: 龙感湖; traditional Chinese: 龍感湖; pinyin: Lónggǎn Hú) is a freshwater lake in central China, divided between Susong County of Anhui Province and Huangmei County at the eastern extremity of Hubei Province.

The lake is situated near the north bank of the middle reaches of Yangtze River, opposite Poyang Lake (which is south of the Yangtze).

[1] As of 1998, the lake's water surface area was 316.2 square kilometres (100 sq mi).

[3] Longgan Lake is an important aquatic farming area.

[4] The western shore of Longgan Lake is in Huanggang; the area is administered under the Longganhu Administrative District (total area: 100 km2).