Sheets of Sri Lanka, 1981
| Issuer | Date | Desc | State | ||
| - |  |
Sri Lanka | 2/10/1981 | 1981 provisional, sheet of 4 types | |
| - |  |
Sri Lanka | 5/5/1981 | Vesak 1981, sheet of 3 types | |
| - |  |
Sri Lanka | 10/21/1981 | Royal Visit 1981, sheet of 2 types | |
| - |  |
Sri Lanka | 11/27/1981 | Forest Conservation, sheet of 3 types |