| Official Name: | Valvetty |
| Native Name: | Tamil: வல்வெட்டி |
| Settlement Type: | Town |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: | Sri Lanka |
| Subdivision Type1: | Province |
| Subdivision Name1: | Northern |
| Subdivision Type2: | District |
| Subdivision Name2: | Jaffna |
| Subdivision Type3: | DS Division |
| Subdivision Name3: | Vadamarachchi South‐West |
| Unit Pref: | Metric |
| Area Total Km2: | 1.70 |
| Timezone: | Sri Lanka Standard Time Zone |
| Utc Offset: | +5:30 |
Valvetty (Tamil: வல்வெட்டி|translit=Valveṭṭy), is a small town in Jaffna District in the northeast region of the Jaffna Peninsula in Northern Province, Sri Lanka. It is located south of the larger town of Valvettithurai, and northeast of the small town of Udupiddy.
The name Valvetty derives from the two Tamil words vallai meaning "forest" and veṭṭi meaning "expansive".