| Tân Trụ district | |
| Settlement Type: | District |
| Native Name: | Huyện Tân Trụ |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Mekong Delta |
| Subdivision Type2: | Province |
| Subdivision Name2: | Long An |
| Seat Type: | Capital |
| Seat: | Tân Trụ |
| Unit Pref: | Imperial |
| Area Total Km2: | 175 |
| Population As Of: | 2018 |
| Population Total: | 80,596 |
| Timezone: | Indochina Time |
| Utc Offset: | +07:00 |
Tân Trụ is a rural district of Long An province in the Mekong Delta region of Vietnam. As of 2003 the district had a population of 62,633.[1] The district covers an area of 175 km². The district capital lies at Tân Trụ.[1]