| 03/1991 : Abdul Majeed Mohamed Sahabdeen Trust Foundation (Incorporation) |
| 20/1972 : Abolition of Fideicommissa and Entails |
| 08/2018 : Active Liability Management |
| 44/1973 : Administration of Justice |
| 25/1975 : Administration of Justice (Amendment) |
| 31/1975 : Administration of Justice (Amendment) |
| 04/2002 : Administrative Appeal Tribunal |
| 40/1983 : Admiralty Jurisdiction |
| 06/1977 : Adoption of Children (Amendment) |
| 38/1979 : Adoption of Children (Amendment) |
| 15/1992 : Adoption of Children (Amendment) |
| 35/1985 : Aganuvara Taruna Kavi Samajaya (Incorporation) |
| 17/1989 : Age of Majority (Amendment) |
| 46/2000 : Agrarian Development |
| 46/2011 : Agrarian Development (Amendment) |
| 05/1972 : Agrarian Research and Training Institute |
| 29/1981 : Agrarian Research and Training Institute (Amendment) |
| 21/1995 : Agrarian Research and Training Institute (Amendment) |
| 58/1979 : Agrarian Services |
| 09/1990 : Agrarian Services (Amendment) |
| 04/1991 : Agrarian Services (Amendment) |
| 40/1993 : Agrarian Services (Amendment) |
| 41/1993 : Agrarian Services (Special Provisions) |
| 20/1999 : Agricultural and Agrarian Insurance |
| 05/1970 : Agricultural and Industrial Credit Corporation (Amendment) |
| 27/1973 : Agricultural Insurance |
| 55/1979 : Agricultural Insurance (Amendment) |
| 42/1973 : Agricultural Lands |
| 33/1961 : Agricultural Products(Guaranteed Prices and Control of Hulling and Milling) |
| 40/1971 : Air Ceylon (Amendment) |
| 82/1988 : Air Force (Amendment) |
| 09/1993 : Air Force (Amendment) |
| 22/1981 : Air Navigation (Amendment) |
| 14/1987 : Air Navigation (Amendment) |
| 55/1992 : Air Navigation (Special Provision) |
| 02/1982 : Air Navigation (Special Provisions) |
| 11/1983 : Air Navigation (Special Provisions) |
| 46/1979 : Airports Authority |
| 20/2003 : Aiyenayaka Devala Development Mudiyanse Tennakoon Foundation (Incorporation) |
| 46/2009 : Al Haj Abdul Jawad Alim Valiyullah Trust (Incorporation) |
| 74/2009 : Al Haj S. M. M. Hussain Charitable Trust (Incorporation) |
| 43/1992 : Al-Haj N. M. Buhardeen Foundation |
| 10/2000 : AL-Kulliyathun Nooriya (Arabic College) Kannattota (Incorporation) |
| 20/1993 : Alakolamada Sri Jayasumana Rama Maha Viharadayaka Sabha (Incorporation) |
| 40/1991 : All Ceylon Buddhist Congress (Amendment) |
| 44/1975 : All Ceylon Buddhist Students’ Federation (Incorporation) Law |
| 51/2000 : All Ceylon Jemmiyathul Ulama (Incorporation) |
| 38/1982 : All Ceylon Muslim Women’s Association (Incorporation) Act |
| 44/1993 : All Ceylon Sri Sumangala Social Services And Welfare Association |
| 20/1992 : All Ceylon Telugu Congress (Incorporation) |
| 48/1998 : All Ceylon Union Of Muslim League Youth Fronts (Incorporation) |
| 31/1968 : All-Ceylon Young Men’s Muslim Association Conference (Incorporation) Act |
| 72/1981 : Allowances to Plantation Workers |
| 27/2018 : Amaradeva Aesthetic and Research Centre |
| 26/1993 : Ambagahapelessa Sri Sangabodhi Sasanodaya Samitiya (Incorporation) |
| 47/1991 : Ambalangoda Delduwa Vivekarama Aranya Senasana Dayaka Sabha (Incorporation) |
| 47/1992 : Ambalangoda Deshapremi Sanvidhanaya (Incorporation) |
| 44/2009 : Ambuluwawa Dissanayake Mudiyanselage Jayaratne Religious Centre and Bio-Diversity Complex Trust Fund |
| 03/1998 : Ampara Senanayake Gunanusmarana Sabhawa (Incorporation) |
| 59/1992 : Animal Diseases |
| 15/1986 : Animal Feed |
| 15/2016 : Animal Feed (Amendment) |
| 29/1958 : Animals |
| 10/1968 : Animals (Amendment) |
| 46/1988 : Animals (Amendment) |
| 10/2009 : Animals (Amendment) |
| 09/2023 : ANTI-CORRUPTION |
| 28/2023 : Anti-Corruption (Amendment) |
| 02/2018 : Anti-Dumping and Countervailing Duties |
| 24/1998 : Antiquities (Amendment) |
| 41/2006 : Anuradhapura Jaya Sri maha bodhi Development Fund (Incorporation) |
| 32/1961 : Anuradhapura Preservation Board |
| 34/2011 : Anuradhapura Sri Puspadana Development Foundation (Incorporation) |
| 28/1969 : Anuradhapura Urban Council (Special Provisions) |
| 23/1992 : Anuradhapura, Mahapothana, Konwewa Sama Deepa Samaja Kendraya (Incorporation) |
| 11/1973 : Apartment of Ownership |
| 45/1982 : Apartment Ownership (Amendment) |
| 39/2003 : Apartment Ownership (Amendment) |
| 04/1999 : Apartment Ownership (Special Provisions) |
| 23/2018 : Apartment Ownership (Special Provisions) |
| 27/2002 : Apartment Ownership (Special Provisions)(Amendment) |
| 06/2008 : Api Wenuwen Api Fund |
| 22/1966 : Appropriation |
| 38/1968 : Appropriation |
| 30/1969 : Appropriation |
| 36/1970 : Appropriation |
| 54/1971 : Appropriation |
| 55/1973 : Appropriation |
| 42/1974 : Appropriation |
| 50/1975 : Appropriation |
| 37/1976 : Appropriation |
| 25/1977 : Appropriation |
| 18/1978 : Appropriation |
| 71/1979 : Appropriation |
| 58/1980 : Appropriation |
| 77/1981 : Appropriation |
| 15/1983 : Appropriation |
| 52/1983 : Appropriation |
| 46/1984 : Appropriation |
| 47/1985 : Appropriation |
| 45/1986 : Appropriation |
| 51/1987 : Appropriation |
| 02/1989 : Appropriation |
| 18/1989 : Appropriation |
| 48/1990 : Appropriation |
| 53/1991 : Appropriation |
| 67/1992 : Appropriation |
| 61/1993 : Appropriation |
| 06/1995 : Appropriation |
| 34/1995 : Appropriation |
| 35/1996 : Appropriation |
| 36/1997 : Appropriation |
| 61/1998 : Appropriation |
| 06/2000 : Appropriation |
| 03/2001 : Appropriation |
| 06/2002 : Appropriation |
| 31/2002 : Appropriation |
| 44/2003 : Appropriation |
| 15/2004 : Appropriation |
| 39/2005 : Appropriation |
| 47/2006 : Appropriation |
| 61/2007 : Appropriation |
| 43/2008 : Appropriation |
| 07/2010 : Appropriation |
| 20/2010 : Appropriation |
| 52/2011 : Appropriation |
| 23/2012 : Appropriation |
| 36/2013 : Appropriation |
| 41/2014 : Appropriation |
| 16/2015 : Appropriation |
| 24/2016 : Appropriation |
| 30/2017 : Appropriation |
| 06/2019 : Appropriation |
| 06/2020 : Appropriation |
| 07/2020 : Appropriation |
| 30/2021 : Appropriation |
| 43/2022 : Appropriation |
| 34/2023 : Appropriation |
| 17/1978 : Appropriation (Amendment) |
| 59/1980 : Appropriation (Amendment) |
| 55/1985 : Appropriation (Amendment) |
| 59/1988 : Appropriation (Amendment) |
| 31/1990 : Appropriation (Amendment) |
| 24/1994 : Appropriation(Amendment) |
| 63/1998 : Appropriation (Amendment) |
| 49/1999 : Appropriation (Amendment) |
| 32/2000 : Appropriation (Amendment) |
| 57/2000 : Appropriation (Amendment) |
| 29/2002 : Appropriation (Amendment) |
| 43/2003 : Appropriation (Amendment) |
| 69/2009 : Appropriation (Amendment) |
| 47/2014 : Appropriation (Amendment) |
| 01/2015 : Appropriation (Amendment) |
| 15/2015 : Appropriation (Amendment) |
| 23/2016 : Appropriation (Amendment) |
| 32/2017 : Appropriation (Amendment) |
| 26/2021 : APPROPRIATION (AMENDMENT) |
| 21/2022 : Appropriation (Amendment) |
| 42/2022 : Appropriation (Amendment) |
| 12/2023 : Appropriation (Amendment) |
| 11/1995 : Arbitration |
| 16/1990 : Archaeological Sites of National Importance |
| 22/1971 : Army (Amendment) |
| 38/1990 : Army (Amendment) |
| 10/1993 : Army (Amendment) |
| 30/1984 : Arthur C Clarke for Modern Technologies |
| 14/2003 : Articles and Services (Regulation and Maintenance) (Temporary Provisions) |
| 44/1987 : Arts Council of Ceylon (Amendment) |
| 23/1993 : Asian Buddhist Congress (Incorporation) |
| 21/1966 : Asian Development Bank Agreement (Ratification) |
| 07/2016 : Asian Infrastructure Investment Bank Agreement (Ratification) |
| 04/2015 : Assistance to and protection of victims of crime and witnesses |
| 10/2023 : Assistance to and Protection of Victims of Crime and Witnesses |
| 27/2017 : Assistance to and Protection of Victims of Crime and Witnesses (Amendment) |
| 05/1960 : Assisted Schools and Training Colleges (Special Provisions) |
| 65/1981 : Assisted Schools and Training Colleges (Special Provisions) (Amendment) |
| 08/1961 : Assisted Schools and Training Colleges (Supplementary Provisions) |
| 28/1973 : Associated Newspapers of Ceylon Limited (Special Provisions) |
| 23/1974 : Associated Newspapers of Ceylon Limited (Special Provisions) (Amendment) |
| 35/1981 : Associated Newspapers of Ceylon Limited (Special Provisions) (Amendment) |
| 42/2003 : Association of Consulting Engineers, Sri Lanka (Incorporation) |
| 34/1997 : Astrologers’ Association Of Sri Lanka (Incorporation) |
| 19/1969 : Atomic Energy Authority |
| 27/2008 : Attanagalla Development Foundation (Incorporation) |
| 26/1958 : Auditor General’s Fees |
| 19/1957 : Automobile Association of Ceylon(Incorporation) |
| 31/1961 : Ayurveda |
| 09/1969 : Ayurveda (Amendment) |
| 07/1977 : Ayurveda (Amendment) |
| 06/1978 : Ayurveda (Amendment) |
| 19/2023 : Ayurveda (Amendment) |