| Rabies (Chapter 575) | 575 |
| Radioactive Minerals (Chapter 342) | 342 |
| Railway Benefit Show (Chapter 477) | 477 |
| Railway Daily-Paid Workers Benevolent Association (Chapter 479) | 479 |
| Railway Guards and Locomotive Eniginemen’s Provident Association (Chapter 478) | 478 |
| Railway Uniform Staff Benevolent Fund (Chapter 476) | 476 |
| Ramakrishna Mission (Chapter 456) | 456 |
| Rating and Valuation (Chapter 596) | 596 |
| Ratnapura Sri Sumana Bauddha Sangamaya (Chapter 419) | 419 |
| Registration of Deaths (Emergency) (Chapter 130) | 130 |
| Registration of Dogs (Chapter 574) | 574 |
| Registration of Electors (Chapter 2) | 2 |
| Registration of Old Deeds and Instruments (Chapter 137) | 137 |
| Regulated Equipment for Agricultural Projects (Chapter 269) | 269 |
| Rent (Chapter 597) | 597 |
| Requisitioning and Acquisition of Lorries (Chapter 533) | 533 |
| Requisitioning of Land (Chapter 298) | 298 |
| Requisitioning of Motor Vehicles and Agricultural Equipment (Chapter 200) | 200 |
| Resumption of State Land (Anuradhapura Preservation Board) (Chapter 582) | 582 |
| Revenue Collection (Chapter 361) | 361 |
| Revenue Protection (Chapter 360) | 360 |
| Revised Edition of the Legislative Enactments Act (Chapter 1) | 1 |
| Rice Reserves (Chapter 213) | 213 |
| Rifai Thareeq Association (Chapter 466) | 466 |
| Riot Damages (Chapter 88) | 88 |
| River Valleys Development Board (Chapter 586) | 586 |
| Roman Catholic Archbishop (Chapter 441) | 441 |
| Rome Convention (Chapter 231) | 231 |