| An Thạnh | |
| Settlement Type: | Ward |
| Other Name: | Búng |
| Native Name: | Phường An Thạnh |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Southeast |
| Subdivision Type2: | Province |
| Subdivision Name2: | Bình Dương |
| Subdivision Type3: | City |
| Subdivision Name3: | Thuận An |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 7.5 |
| Population As Of: | 2011 |
| Population Total: | 25178 |
| Population Density Km2: | 3357 |
| Timezone: | Indochina Time |
| Utc Offset: | +7 |
| Coordinates: | 10.9458°N 106.6899°W |
| Postal Code Type: | Postal code |
| Postal Code: | 75212 |
| Area Code: | 274 |
An Thạnh is a ward of Thuận An city in Bình Dương Province of Southeast region of Vietnam.
Along with the name An Thạnh, Búng is also a common name of this area. The central market here is also named as Búng market.
Since Minh Mạng dynasty, An Thạnh and Tân Thới (Lái Thiêu nowadays) have been the two downtown and commercial centre of former Lái Thiêu district; however, the county seat was in Tân Thới until now. After 1975, Lái Thiêu district renamed to Thuận An district, An Thạnh became the district's commune then town. Until 2011, when Thuận An was upgraded to district-level town, An Thạnh town also became the ward of this town and now is ward of Thuận An city.