| Official Name: | Chatuchak |
| Native Name: | จตุจักร |
| Settlement Type: | Khwaeng |
| Coordinates: | 13.7962°N 100.5505°W |
| Named For: | Chatuchak Park |
| Subdivision Type: | Country |
| Subdivision Type2: | Province |
| Subdivision Name2: | Bangkok |
| Subdivision Type3: | Khet |
| Subdivision Name3: | Chatuchak |
| Area Total Km2: | 7.878 |
| Area Footnotes: | [1] |
| Population As Of: | 2021 |
| Population Total: | 21,853 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Postal Code Type: | Postal code |
| Blank Name: | TIS 1099 |
Chatuchak (Thai: จตุจักร, in Thai pronounced as /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"). In late 2003 it was officially declared a subdistrict along with four other subdistricts in Chatuchak.[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).[2] [3]
thumb|Vachirabenjatas Park or colloquially known as Rot Fai Park|left