| Thihariya | |
| Settlement Type: | Town |
| Pushpin Map: | Sri Lanka |
| Subdivision Type: | Country |
| Subdivision Name: | Sri Lanka |
| Subdivision Type2: | Province |
| Subdivision Name2: | Western |
| Subdivision Type3: | District |
| Subdivision Name3: | Gampaha |
| Subdivision Type4: | DS Division |
| Subdivision Name4: | Thihariya Town |
| Coordinates: | 7.2°N 80.1167°W |
Thihariya is a small town in Gampaha District. It is located nearly 9 km away from Gampaha town. Thihariya is in between Nittambuwa and Kalagedihena.