| Official Name: | Lat Bua Luang |
| Native Name: | ลาดบัวหลวง |
| Native Name Lang: | th |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type1: | Province |
| Subdivision Name1: | Ayutthaya |
| Subdivision Type2: | Seat |
| Subdivision Name2: | Lat Bua Luang |
| Subdivision Type3: | Tambon |
| Subdivision Name3: | 7 |
| Subdivision Type4: | Muban |
| Established Title: | District established |
| Population Total: | 36186 |
| Population As Of: | 2000 |
| Blank Name Sec1: | Postal code |
| Blank Info Sec1: | 13230 |
| Blank Name Sec2: | Geocode |
| Blank Info Sec2: | 1410 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 14.1658°N 100.3075°W |
Lat Bua Luang (in Thai pronounced as /lâːt būa̯ lǔa̯ŋ/) is a district (amphoe) in the southern part of Ayutthaya province, central Thailand.
Tambon Lat Bua Luang was separated from Amphoe Bang Sai and officially upgraded to a district in 1947.
Neighbouring districts are (from the north clockwise) Bang Sai (บางซ้าย), Sena, and Bang Sai (บางไทร) of Ayutthaya Province, Sam Khok and Lat Lum Kaeo of Pathum Thani province, Sai Noi of Nonthaburi province, Bang Len of Nakhon Pathom province, and Song Phi Nong of Suphanburi province.
The district is divided into seven sub-districts (tambon). Lat Bua Luang is a township (thesaban tambon) covering parts of the tambon Lat Bua Luang.
| 1. | Lat Bua Luang | ลาดบัวหลวง | ||
| 2. | Lakchai | หลักชัย | ||
| 3. | Sam Mueang | สามเมือง | ||
| 4. | Phraya Banlue | พระยาบันลือ | ||
| 5. | Singhanat | สิงหนาท | ||
| 6. | Khu Salot | คู้สลอด | ||
| 7. | Khlong Phraya Banlue | คลองพระยาบันลือ |