| Tân Thạnh district | |
| Settlement Type: | District |
| Native Name: | Huyện Tân Thạnh |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Mekong Delta |
| Subdivision Type2: | Province |
| Subdivision Name2: | Long An |
| Seat Type: | Capital |
| Seat: | Tân Thạnh township |
| Unit Pref: | Imperial |
| Area Total Km2: | 408 |
| Population As Of: | 2003 |
| Population Total: | 78,970 |
| Timezone: | Indochina Time |
| Utc Offset: | +07:00 |
Tân Thạnh is a rural district (huyện) of Long An province in the Mekong Delta region of Vietnam.
As of 2003 the district had a population of 78,970.[1] The district covers an area of 408 km². The district capital lies at Tân Thạnh township.[1]
The district is divided into one urban municipality and 12 communes:
Tân Thạnh township, Bắc Hòa, Hậu Thạnh Đông, Hậu Thạnh Tây, Kiến Bình, Nhơn Hòa, Nhơn Hòa Lập, Nhơn Ninh, Tân Bình, Tân Hòa, Tân Lập and Tân Ninh.