| Official Name: | Tron |
| Native Name: | ตรอน |
| Native Name Lang: | th |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type1: | Province |
| Subdivision Name1: | Uttaradit |
| Subdivision Type2: | Seat |
| Subdivision Name2: | Wang Daeng |
| Population Total: | 35036 |
| Population As Of: | 2008 |
| Blank Name Sec1: | Postal code |
| Blank Info Sec1: | 53140 |
| Blank Name Sec2: | Geocode |
| Blank Info Sec2: | 5302 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 17.4822°N 100.1131°W |
Tron (in Thai pronounced as /trɔ̄ːn/) is a district (amphoe) of Uttaradit province, northern Thailand.
Neighboring districts are (from the north clockwise) Laplae, Mueang Uttaradit, Thong Saen Khan, Phichai, of Uttaradit Province, Si Nakhon and Si Satchanalai of Sukhothai province
The district is divided into five sub-districts (tambons), which are further subdivided into 47 villages (mubans). There are two sub-district municipalities (thesaban tambon): Tron covers parts of tambon Wang Daeng, and Ban Kaeng covers parts of the same-named tambon. There are a further five tambon administrative organizations (TAO).
| No. | Name | Thai | Villages | Pop.[1] | |
|---|---|---|---|---|---|
| 1. | Wang Daeng | วังแดง | 12 | 11,091 | |
| 2. | Ban Kaeng | บ้านแก่ง | 10 | 7,567 | |
| 3. | Hat Song Khwae | หาดสองแคว | 7 | 4,148 | |
| 4. | Nam Ang | น้ำอ่าง | 10 | 7,975 | |
| 5. | Khoi Sung | ข่อยสูง | 8 | 4,255 |