Chatuchak (Thai: จตุจักร, pronounced [t͡ɕàʔ.tùʔ.t͡ɕàk]) is a khwaeng (subdistrict) of Chatuchak District, Bangkok, Thailand.

It is a location of the district office.

The name Chatuchak after Chatuchak Park, a public park was built on the occasion of King Bhumibol Adulyadej (Rama IX)'s fourth cycle (48 years old) anniversary (Chatuchak means "fourth cycle").

[2] Chatuchak is an area in the southwest of the district.

It is bounded by (from the north clockwise): Lat Yao in its district (Ratchadaphisek Road is a borderline), Chomphon in its district (Phaholyothin Road is a borderline), Phaya Thai in Phaya Thai District (Khlong Bang Sue is a borderline), Bang Sue in Bang Sue District (Khlong Prapa and Southern Railway Line are the borderlines).