| 01/1981 : Parliamentary Elections |
| 02/1981 : Presidential Elections (Special Provisions) |
| 03/1981 : Institute of Supply and Materials Management, Sri Lanka |
| 04/1981 : Consular Functions |
| 05/1981 : Partition (Amendment) |
| 06/1981 : Transport Board (Amendment) |
| 07/1981 : Referendum |
| 08/1981 : Government Quarters (Recovery of Possession) (Amendment) |
| 09/1981 : Licensing of Shipping Agents (Amendment) |
| 10/1981 : Municipal Councils and Urban Councils (Amendment) |
| 11/1981 : Registration of Persons (Amendment) |
| 12/1981 : Tax Reserve Certificates (Amendment) |
| 13/1981 : National Health Development Fund |
| 14/1981 : Land Reform (Amendment) |
| 15/1981 : Presidential Elections |
| 16/1981 : Census (Amendment) |
| 17/1981 : Parliamentary Commissioner for Administration |
| 18/1981 : Buddhist Temporalities (Amendment) |
| 19/1981 : Ceylon Institute of Scientific and Industrial Research (Amendment) |
| 20/1981 : Development Councils Elections |
| 21/1981 : Motor Traffic (Amendment) |
| 22/1981 : Air Navigation (Amendment) |
| 23/1981 : Balangoda Sri Sudarshana Vihara Wardhana Samithiya (Incorporation) |
| 24/1981 : Kandy Buddhist Association (Incorporation) |
| 25/1981 : Sri Lanka Campus Crusade For Christ (Incorporation) |
| 26/1981 : Employees Provident Fund (Amendment) |
| 27/1981 : Land Development (Amendment) |
| 28/1981 : Chinmaya Mission Of Sri Lanka (Incorporation) |
| 29/1981 : Agrarian Research and Training Institute (Amendment) |
| 30/1981 : National Archives (Amendment) |
| 31/1981 : Surcharge on Income Tax |
| 32/1981 : Resthouses (Amendment) |
| 33/1981 : Municipal Councils (Amendment) |
| 34/1981 : Sri Lanka Foundation (Amendment) |
| 35/1981 : Associated Newspapers of Ceylon Limited (Special Provisions) (Amendment) |
| 36/1981 : Civil Law (Amendment) |
| 37/1981 : Finance (Amendment) |
| 38/1981 : Credit Councils (Amendment) |
| 39/1981 : Land Reform (Special Provisions) |
| 40/1981 : Inland Revenue (Amendment) |
| 41/1981 : Superior Major Of The Silvestro-benedictine Congregation In Sri Lanka (Incorporation) |
| 42/1981 : Buddhist Temporalities (Amendment) |
| 43/1981 : Sri Lanka Chamber Of Small Industry (Incorporation) |
| 44/1981 : Widows’ and Orphans’ Pension Fund (Amendment) |
| 45/1981 : Development Councils (Amendment) |
| 46/1981 : Public Servants Welfare Association, Batapola (Incorporation) |
| 47/1981 : Indo – Ceylon Agreement (Implementation) (Amendment) |
| 48/1981 : S.W.R.D Bandaranaike National Memorial Foundation (Special Provisions) |
| 49/1981 : National Housing (Amendment) |
| 50/1981 : Firearms (Amendment) |
| 51/1981 : State Printing Corporation (Amendment) |
| 52/1981 : Maternity Benefits (Amendment) |
| 53/1981 : Shop and Office Employees (Regulation of Employment and Remuneration) (Amendment) |
| 54/1981 : National Aquatic Resources Research and Development Agency |
| 55/1981 : Institute of Fundamental Studies, Sri Lanka |
| 56/1981 : Ratnapura District Welfare Fund (Board of Trustees) |
| 57/1981 : Coast Conservation |
| 58/1981 : State Lands (Recovery of Possession) (Amendment) |
| 59/1981 : Marine Pollution Prevention |
| 60/1981 : Butchers (Amendment) |
| 61/1981 : Municipal Councils and Urban Councils (Amendment) |
| 62/1981 : State Mortgage and Investment Bank (Amendment) |
| 63/1981 : Guides (Amendment) |
| 64/1981 : State Gem Corporation (Amendment) |
| 65/1981 : Assisted Schools and Training Colleges (Special Provisions) (Amendment) |
| 66/1981 : Mahapola Higher Education Scholarship Trust Fund |
| 67/1981 : Sri Lanka State Trading Corporations (Amendment) |
| 68/1981 : Sir John Kotelawala Defence Academy |
| 69/1981 : Turnover Tax |
| 70/ 1981 : Krishnamurti Centre, Sri Lanka (Incorporation) |
| 71/1981 : Judicature (Amendment) |
| 72/1981 : Allowances to Plantation Workers |
| 73/1981 : Road Development Authority |
| 74/1981 : Buddhist and Pali University of Sri Lanka |
| 75/1981 : Sugarcane Research Institute |
| 76/1981 : National Institute of Plantation Management (Amendment) |
| 77/1981 : Appropriation |
| 78/1981 : National Resources, Energy and Science Authority of Sri Lanka |
