- 龙潭虎穴 lóngtánhǔxué dangerous placeA place of extreme danger or a hostile environment; literally a dragon's pool and tiger's den.
- 龙潭区 Lóngtánqū Longtan DistrictLongtan district of Jilin city [[吉林市|吉林市|Ji2 lin2 Shi4]], Jilin province
- 龙潭沟 Lóngtángōu Longtan RavineLongtan Ravine, a scenic area in Xixia County, Nanyang, Henan