| Country: | IND |
| Type: | NH |
| Route: | 233 |
| Map Notes: | Road map of India with National Highway 233B highlighted in solid blue color |
| Length Km: | 288 |
| Direction A: | West |
| Terminus A: | Varanasi, Uttar Pradesh |
| Destinations: | Lumbini, Siddharthnagar, Ambedkar Nagar, Azamgarh, Varanasi, Basti |
| Direction B: | East |
| Terminus B: | Lumbini, Nepal |
| Previous Type: | NH |
| Previous Route: | 232 |
| Next Type: | NH |
| Next Route: | 233A |
National Highway 233 is a National Highway in India that links Varanasi, Uttar Pradesh to Lumbini, Nepal via Azamgarh. Work on four lanning is in progress.
National Highway 233 starts at the Varanasi and runs to Tanda and Lumbini