| Country: | IND |
| Type: | NH |
| Route: | 336 |
| Map Custom: | yes |
| Length Km: | 52 |
| Terminus A: | Pudukkottai |
| Destinations: | Keeranur |
| Terminus B: | Tiruchirappalli |
| Previous Type: | NH |
| Previous Route: | 36 |
| Next Route: | 83 |
| Next Type: | NH |
National Highway 336 (NH 336) is a National Highway which runs for 52 km completely in the state of Tamil Nadu, India.[1] It is part of the old National Highway 210. The Road splits off from NH-36 at junction on the outskirts of Pudukkottai till Trichy where Keeranur being major town in-between. Many important places exists along the route like Bharathidasan University, Anna University Trichy, Indian Institute of Management Tiruchirappalli, and Trichy Airport.