| Mahamantinda Vidyarakshaka Sabha (Chapter 492) | 492 |
| Mahanuwara Esala Perahera Trust (Chapter 397) | 397 |
| Mahanuwara Young Men’s Buddhist Association (Chapter 405) | 405 |
| Mahaweli Authority of Sri Lanka (Chapter 272) | 272 |
| Maintenance (Chapter 100) | 100 |
| Manufacture of Matches (Regulation) (Chapter 191) | 191 |
| Maritime Zones (Chapter 7) | 7 |
| Marriage and Devorce (Kandyan) (Chapter 132) | 132 |
| Marriage and Divorce (Muslim) (Chapter 134) | 134 |
| Marriages (Chapter 131) | 131 |
| Married Women’s Property (Chapter 68) | 68 |
| Masters Attendant (Chapter 235) | 235 |
| Matrimonial Rights and Inheritance (Chapter 69) | 69 |
| Matrimonial Rights and Inheritance (Jaffna) (Chapter 70) | 70 |
| Medical Practitioners, Pharmecists, Midwives and Nurses (Chapter 113) | 113 |
| Mental Diseases (Chapter 559) | 559 |
| Merchant Shipping (Chapter 233) | 233 |
| Methodist Trust Association (Chapter 438) | 438 |
| Milk Board (Chapter 548) | 548 |
| Minimum Wages (Chapter 164) | 164 |
| Minister of Local Government (Delegation of Powers) (Chapter 580) | 580 |
| Monetary Law (Chapter 323) | 323 |
| Money Lending (Chapter 90) | 90 |
| Moors’ Islamic Cultural Home (Chapter 502) | 502 |
| Moratuwa Social Service Society (Chapter 509) | 509 |
| Mortgage (Chapter 98) | 98 |
| Motor Car (Conventions) (Chapter 532) | 532 |
| Motor Cars (Tax on Transfers) (Chapter 531) | 531 |
| Motor Traffic (Special Provisions) (Chapter 529) | 529 |
| Municipal Council (Chapter 576) | 576 |
| Municipal Dairies and Launderies (Chapter 566) | 566 |
| Muslim Hospital Association (Chapter 501) | 501 |
| Muslim Interstate Succession (Chapter 72) | 72 |
| Muslim Library (Chapter 467) | 467 |
