- 沙河口区 Shāhékǒuqū Shahekou DistrictShahekou district of Dalian, Liaoning
- 梅河口市 Méihékǒu Shì MeihekouMeihekou, a county-level city in Tonghua City, Jilin
- 老河口市 Lǎohékǒu Shì LaohekouLaohekou, a county-level city in Xiangyang City, Hubei
- 河口区 Hékǒuqū Hekou DistrictHekou district of Dongying city, Shandong
- 河口瑶族自治县 Hékǒu Yáozú Zìzhìxiàn Hekou CountyHekou Yaozu Autonomous County in Honghe Hani and Yi Autonomous Prefecture, Yunnan