| Official Name: | Khlong Luang |
| Native Name: | คลองหลวง |
| Native Name Lang: | th |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type1: | Province |
| Subdivision Name1: | Pathum Thani |
| Subdivision Type2: | Seat |
| Subdivision Name2: | Khlong Song |
| Subdivision Type3: | Subdistricts |
| Subdivision Name3: | 7 |
| Subdivision Type4: | Muban |
| Established Title: | District established |
| Population Total: | 274,012 |
| Population As Of: | 2017 |
| Blank Name Sec1: | Postal code |
| Blank Info Sec1: | 12120 |
| Blank Name Sec2: | Geocode |
| Blank Info Sec2: | 1302 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 14.065°N 100.6461°W |
Khlong Luang (in Thai pronounced as /kʰlɔ̄ːŋ lǔa̯ŋ/) is a district (amphoe) in Pathum Thani province, central Thailand.
Originally, the area was part of the Bang Wai District, controlled by Mueang Thanyaburi. In the Ayutthaya era, this area was lowland deep forest. In 1767 when the Ayutthaya Kingdom was destroyed by Burmese troops, some of the survivors moved to this area.
When the community became bigger, people expanded agriculture until it was close to Thung Luang (now Thanyaburi district). King Rama V ordered a canal, Khlong Rangsit, to be built for agricultural purposes for the people in the Thung Luang and Bang Wai area. When the canal was finished, the government changed the name of the district to Khlong Luang to commemorate King Rama V's foresight.[1]
Neighboring districts are (from the north clockwise): Bang Pa-in and Wang Noi of Phra Nakhon Si Ayutthaya province; Nong Suea, Thanyaburi, Mueang Pathum Thani, and Sam Khok of Pathum Thani Province.
The district is divided into seven sub-districts (tambons), which are further subdivided into 106 villages (mubans). The Thai names of the tambon simply mean 'Canal One' to 'Canal Seven'. There are two towns (thesaban mueangs), Khlong Luang and Tha Khlong, both incorporating parts of tambons Klong Nueng and Khlong Song. The remaining five tambons are each administered by a tambon administrative organization (TAO).
| No. | Name | Thai | Villages | ||
|---|---|---|---|---|---|
| 1. | Khlong Nueng | คลองหนึ่ง | 20 | ||
| 2. | Khlong Song | คลองสอง | 15 | ||
| 3. | Khlong Sam | คลองสาม | 16 | ||
| 4. | Khlong Si | คลองสี่ | 16 | ||
| 5. | Khlong Ha | คลองห้า | 16 | ||
| 6. | Khlong Hok | คลองหก | 14 | ||
| 7. | Khlong Chet | คลองเจ็ด | 9 |