| Unit Name: | 51 Division |
| Dates: | – present |
| Country: | Sri Lanka |
| Branch: | Sri Lanka Army |
| Command Structure: | Security Forces Headquarters – Jaffna |
| Garrison: | Kopay Army Base, Northern Province |
The 51 Division is a division of the Sri Lanka Army. Established on 24 August 1995, the division is currently based in Kopay in the Northern Province.[1] The division is a part of Security Forces Headquarters – Jaffna.