- 闯红灯 chuǎnghóngdēng period sex(slang) to have sexual intercourse with a woman while she is menstruating
- 红灯笼 hóngdēnglóng red lanterna traditional Chinese decoration made of red paper or silk, often hung during festivals to symbolize luck and prosperity
- 朱红灯 Zhū Hóngdēng Zhu HongdengZhu Hongdeng, one of the leaders of the Boxer Rebellion
- 红灯区 hóngdēngqū red-light district
- 大红灯笼高高挂 Dàhóng Dēnglóng Gāogāo Guà Raise the Red LanternRaise the Red Lantern (1991), a movie directed by Zhang Yimou
- 红灯记 Hóngdēngjì Legend of the Red LanternThe Legend of the Red Lantern (one of the eight model operas during the Cultural Revolution)