| Official Name: | Tiruchirappalli Cantonment |
| Settlement Type: | Neighbourhood |
| Pushpin Map: | India Tiruchirapalli |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Name1: | Tamil Nadu |
| Unit Pref: | Imperial |
| Utc Offset: | +5.30 |
| Coordinates: | 10.8°N 78.6831°W |
The Tiruchirappalli Cantonment (originally Trichinopoly Cantonment) is a residential neighbourhood in the city of Tiruchirappalli. It originated as a cantonment of the Madras Regiment in the 18th century. Most of the hotels and restaurants and the main tourist office and post office of Tiruchirappalli are located here.[1] The Tiruchirappalli Junction is also located in the cantonment area.