Huai Khwang (Thai: ห้วยขวาง, pronounced [hûa̯j kʰwǎːŋ]) is a khwaeng (subdistrict) of Huai Khwang district, downtown Bangkok.

"[3] Nowadays, Huai Khwang is best known for its seedy nightlife and so-called massage parlours.

As a result, Huai Khwang has been dubbed as "New Chinatown".

[5] Huai Khwang is the west part of the district.

Adjoining subdistricts are (from the north clockwise): Sam Sen Nok and Bang Kapi in its district, Din Daeng and Ratchadaphisek in Din Daeng district.