| Official Name: | Bang Sue |
| Native Name: | บางซื่อ |
| Settlement Type: | Khwaeng |
| Coordinates: | 13.8064°N 100.5216°W |
| Subdivision Type: | Country |
| Subdivision Type2: | Province |
| Subdivision Name2: | Bangkok |
| Subdivision Type3: | Khet |
| Subdivision Name3: | Bang Sue |
| Area Total Km2: | 5.762 |
| Area Footnotes: | [1] |
| Population As Of: | 2020 |
| Population Total: | 79405 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Postal Code Type: | Postal code |
| Blank Name: | TIS 1099 |
Bang Sue (Thai: บางซื่อ, in Thai pronounced as /bāːŋ sɯ̂ː/) is a khwaeng (subdistrict) of Bang Sue District, in Bangkok, Thailand. In 2020, it had a total population of 79,405 people.[2]
Bang Sue is the southern part of the district. The west bank is all connected to the Chao Phraya River. It borders Wong Sawang to the north (Southern Railway Line is a borderline), Chatuchak to the east (Khlong Prapa is a borderline), Thanon Nakhon Chai Si to the south (Khlong Bang Sue is a borderline), Bang O (across the Chao Phraya River) to the west.