| Saiva Paripalana Sabhai (Chapter 457) | 457 |
| Sale of Goods (Chapter 93) | 93 |
| Sales Tax (Chapter 351) | 351 |
| Salt (Chapter 343) | 343 |
| Salvation Army (Chapter 436) | 436 |
| Sambuddha Jayanthi Chaitya Trust (Chapter 422) | 422 |
| Sannases and Old Deeds (Chapter 136) | 136 |
| School Teachers Pension (Chapter 620) | 620 |
| Senkadagala Eksath Bauddha Mandalaya (Chapter 417) | 417 |
| Serendib Sufi Study Circle (Chapter 495) | 495 |
| Service Contracts (Chapter 171) | 171 |
| Servicemen (Collection and Disposal of Specified Property) (Chapter 628) | 628 |
| Sex Disqualification Removal (Chapter 78) | 78 |
| Short Titles (Numeration) (Chapter 13) | 13 |
| Silk and Allied Products Development (Chapter 193) | 193 |
| Silkworm Seed (Chapter 192) | 192 |
| Sinhala Welenda Mandalaya (Chapter 507) | 507 |
| Siri Anuradhapura Bastian Pilgrims Rest (Chapter 418) | 418 |
| Societies (Chapter 141) | 141 |
| Special Allowances of Workers (Chapter 167) | 167 |
| Special Areas (Colombo) Development (Chapter 604) | 604 |
| Special Fund (Voluntary Contributions For Charitable Purposes) (Chapter 335) | 335 |
| Special Presidential Commissions of Inquiry (Chapter 9) | 9 |
| Special Stamps (Chapter 359) | 359 |
| Sports (Chapter 392) | 392 |
| Sree Narayana Guru Society (Chapter 503) | 503 |
| Sri Lanka Association for the Advancement of Science (Chapter 496) | 496 |
| Sri Lanka Broadcasting Corporation (Chapter 365) | 365 |
| Sri Lanka Ex-Servicemen’s Institute (Chapter 515) | 515 |
| Sri Lanka Ex-Servicemens’ Association (Chapter 636) | 636 |
| Sri Lanka Export Credit Insurance Corporation (Chapter 333) | 333 |
| Sri Lanka Export Development (Chapter 228) | 228 |
| Sri Lanka Fruit Board (Chapter 196) | 196 |
| Sri Lanka Institute of Marketing (Chapter 201) | 201 |
| Sri Lanka Inventors Incentives (Chapter 212) | 212 |
| Sri Lanka Library Association (Chapter 494) | 494 |
| Sri Lanka Malay Association Rupee Fund (Chapter 504) | 504 |
| Sri Lanka Press Council (Chapter 378) | 378 |
| Sri Lanka Sahitya Mandalya (Chapter 471) | 471 |
| Sri Lanka State Plantations Corporation (Chapter 264) | 264 |
| Sri Punniyawardhana Samithiya of Matale (Chapter 416) | 416 |
| St. Andrew’s Church (Chapter 435) | 435 |
| St. Thomas College (Chapter 489) | 489 |
| State (Liabilities in Delict) (Chapter 108) | 108 |
| State Agricultural Corporation (Chapter 268) | 268 |
| State Debtors (Chapter 102) | 102 |
| State Industrial Corporations (Chapter 208) | 208 |
| State Land (Claims) (Chapter 294) | 294 |
| State Landmarks (Chapter 291) | 291 |
| State Lands Encroachments (Chapter 288) | 288 |
| Statistics (Chapter 372) | 372 |
| Statutory Reprints (Chapter 14) | 14 |
| Street Collections (Chapter 611) | 611 |
| Suburban Dairies and Launderies (Chapter 565) | 565 |
| Supplementary Allowance of Workers (Chapter 168) | 168 |
| Surveyors (Chapter 123) | 123 |
