Huai Khwang station (Thai: สถานีห้วยขวาง, pronounced [sā.tʰǎː.nīː hûa̯j kʰwǎːŋ]; code BL18) is a MRT station on the Blue Line in Bangkok, Thailand. It is located under Ratchadaphisek Road, near the MRT Depot. Before the station's opening, the plan was to name it Pracha Rat Bamphen. The name was changed to Huai Khwang later. The station's symbol is color   orange.

Huai Khwang is underground station, widths 23 metres (75 ft), lengths 226 metres (741 ft), depths 19 metres (62 ft), and use island platform.

There is MetroMall in the station, but not opened yet.

13°46′43″N 100°34′26″E / 13.7786°N 100.5740°E / 13.7786; 100.5740