| 01/1980 : Passport (Regulation) and Exit Permit (Amendment) |
| 02/1980 : Urban Development Projects (Special Provisions) |
| 03/1980 : Institute of Corporation Lawyers (Amendment) |
| 04/1980 : Senkadagala Eksath Bauddha Mandalaya (Incorporation) |
| 05/1980 : National Arts Council, Mahanuwara (Incorporation) |
| 06/1980 : Prisons (Amendment) |
| 07/1980 : National Science Council of Sri Lanka (Amendment) |
| 08/1980 : Firearms (Amendment) |
| 09/1980 : Bribery (Amendment) |
| 10/1980 : Wages Boards (Amendment) |
| 11/1980 : Co-operative Societies (Special Provisions) |
| 12/1980 : Ceiling on Income and Compulsory Savings (Amendment) |
| 13/1980 : Estate Duty |
| 14/1980 : Licensing of Clubs (Amendment) |
| 15/1980 : Motor Cars (Tax on Transfers) (Amendment) |
| 17/1980 : Parliament (Powers and Privileges) (Amendment) |
| 18/1980 : Deeghavapi Prathisanskarana Sabhawa (Incorporation) |
| 19/1980 : Sambuddha Jayanthi Chaitya Trust |
| 20/1980 : State Agricultural Corporations (Amendment) |
| 21/1980 : Business Undertakings (Acquisition) (Amendment) |
| 22/1980 : Buddhist Temporalities (Amendment) |
| 23/1980 : Foreign Loans (Amendment) |
| 24/1980 : Inland Revenue (Amendment) |
| 25/1980 : Kadawalagedara Purana Siddhasthana Wardhana Society (Incorporation) |
| 26/1980 : Food |
| 27/1980 : Cosmetics, Devices and Drugs |
| 28/1980 : Roman Catholic Archbishop and Bishops of Ceylon (Amendment) |
| 29/1980 : Finance (Amendment) |
| 30/1980 : Code of Intellectual Property (Amendment) |
| 31/1980 : Voluntary Social Service Organizations (Registration and Supervision) |
| 32/1980 : Foreign Employment Agency |
| 33/1980 : Control of Pesticides |
| 34/1980 : Mahanuwara Esala Perahera Trust |
| 35/1980 : Development Councils |
| 36/1980 : Local Government Service (Amendment) |
| 37/1980 : Consumer Protection (Amendment) |
| 38/1980 : Housing and Town Improvement (Amendment) |
| 39/1980 : Kuliyapitiya Young Men’s Buddhist Association (Incorporation) |
| 40/1980 : Young Men’s Buddhist Association, Mahiyangana (Incorporation) |
| 41/1980 : Sri Lanka Institute of Marketing (Incorporation) |
| 42/1980 : Institute of Sinhala Culture (Incorporation) Act |
| 43/1980 : Greater Colombo Economic Commission (Amendment) |
| 44/1980 : Registration of Electors |
| 45/1980 : National Film Corporation of Sri Lanka (Amendment) |
| 46/1980 : Employees’ Trust Fund |
| 47/1980 : National Environmental |
| 48/1980 : Sree Narayana Guru Society of Sri Lanka |
| 49/1980 : Primary Courts’ Procedure (Amendment) |
| 50/1980 : Penal Code (Amendment) |
| 51/1980 : College of General Practitioners of Sri Lanka(Incorporation)(Amendment) |
| 52/1980 : Code of Criminal Procedure (Amendment) |
| 53/1980 : Civil Procedure Code (Amendment) |
| 54/1980 : Criminal Procedure (Special Provisions) (Amendment) |
| 55/1980 : Rent (Amendment) |
| 56/1980 : Ceiling on Housing Property (Amendment) |
| 57/1980 : Central Cultural Fund |
| 58/1980 : Appropriation |
| 59/1980 : Appropriation (Amendment) |
| 60/1980 : Bank of Ceylon (Amendment) |
| 61/1980 : People’s Bank (Amendment) |
| 62/1980 : Monetary Law (Amendment) |
