| 46/1968 :Â Radioactive Minerals |
| 06/2012 : Rahula College Matara |
| 20/1971 : Railways (Amendment) |
| 49/1983 : Railways (Amendment) |
| 25/1986 : Railways (Amendment) |
| 23/1998 : Rajapakse Memorial, Educational, Cultural And Social Services Foundation (Incorporation) |
| 01/2012 : Ramakrishna Sarada Mission (Incorporation) |
| 18/2007 : Rambukwella Sri Vipassi Development Foundation (Incorporation) |
| 54/1999 : Ranaviru Seva Authority |
| 07/2009 : Ranaviru Seva Authority (Amendment) |
| 20/2012 : Ranaviru Seva Authority (Amendment) |
| 11/2009 : Ranga Art Institute (Incorporation) |
| 05/2023 : Rathanatissa Peace Foundation (Incorporation) |
| 70/1992 : Rathgama Development Foundation (Incorporation) |
| 09/1983 : Ratnapura Buddhist Society (Incorporation) |
| 56/1981 : Ratnapura District Welfare Fund (Board of Trustees) |
| 40/2007 : Ratnapura Marapana Sastrodaya Foundation (Incorporation) |
| 26/1975 : Ratnapura Sri Sumana Bauddha Sangamaya |
| 49/2024 : Reciprocal Recognition, Registration, and Enforcement of Foreign Judgments |
| 58/1993 : Reconstruction and Rehabilitation Fund |
| 02/2019 : Recovery of Damages for the Death of a Person |
| 04/1990 : Recovery of Loans by Banks (Special Provisions) |
| 24/1995 : Recovery of Loans by Banks(Special Provisions)(Amendment) |
| 01/2011 : Recovery of Loans by Banks (Special Provisions) (Amendment) |
| 19/2011 : Recovery of Loans by Banks (Special Provisions) (Amendment) |
| 26/2024 : Recovery of Loans by Banks (Special Provisions) (Amendment) |
| 01/2023 : Recovery of Possession of Premises Given on Lease |
| 04/1965 : Rectification of a Muslim Marriage Register of the Paranakuru Korale (Kegalle District) |
| 08/2011 : Red Lotus Organization for Humanitarian Services (Incorporation) |
| 07/1981 : Referendum |
| 17/1988 : Referendum (Amendment) |
| 28/2000 : Reggie Ranathunga Educational Scholarship Fund (Incorporation) |
| 06/1997 : Regional Development Banks |
| 51/2006 : Regional Infrastructure Development Levy |
| 47/2007 : Regional Infrastructure Development Levy (Amendment) |
| 12/2008 : Regional Infrastructure Development Levy (Amendment) |
| 16/2011 : Regional Infrastructure Development Levy (Repeal) |
| 15/1985 : Regional Rural Development Banks |
| 51/1983 : Registered Stock and Securities (Amendment) |
| 03/1985 : Registered Stock and Securities (Amendment) |
| 32/1995 : Registered Stock and Securities (Amendment) |
| 02/2004 : Registered Stock and Security (Amendment) |
| 01/1960 : Registers of Parliamentary Electors (Special Provisions) |
| 02/1995 : Registration of Deaths(Temporary Provisions) |
| 58/1998 : Registration of Deaths (Temporary Provisions) |
| 17/2005 : Registration of Deaths (Temporary Provisions) |
| 19/2010 : Registration of Deaths (Temporary Provisions) |
| 16/2016 : Registration of Deaths (Temporary Provisions) (Amendment) |
| 27/1969 : Registration of Documents (Amendment) |
| 04/1974 : Registration of Documents (Amendment) |
| 14/1974 : Registration of Documents (Amendment) |
| 19/1976 : Registration of Documents (Amendment) |
| 50/1982 : Registration of Documents (Amendment) |
| 05/1990 : Registration of Documents (Amendment) |
| 48/2011 : Registration of Documents (Amendment) |
| 21/2013 : Registration of Documents (Amendment) |
| 32/2022 : Registration of Documents (Amendment) |
| 18/2024 : Registration of Documents (Amendment) |
| 44/1980 : Registration of Electors |
| 10/1989 : Registration of Electors (Amendment) |
| 22/2021 : Registration of Electors (Amendment) |
| 27/2013 : Registration of Electors (Special Provisions) |
| 10/2017 : Registration of Electors (Special Provisions) |
| 32/1968 : Registration of Persons |
| 28/1971 : Registration of Persons (Amendment) |
| 37/1971 : Registration of Persons (Amendment) |
| 11/1981 : Registration of Persons (Amendment) |
| 08/2016 : Registration of Persons (Amendment) |
| 21/1998 : Registration of Title |
| 26/1971 : Regulated Equipment for Agricultural Projects (Special Provions) |
| 03/2023 : Regulation of Election Expenditure |
| 68/1988 : Regulation of Fertilizer |
| 43/2000 : Regulation of Insurance Industry |
| 27/2007 : Regulation of Insurance Industry (Amendment) |
| 03/2011 : Regulation of Insurance Industry (Amendment) |
| 23/2017 : Regulation of Insurance Industry (Amendment) |
| 45/1998 : Regulation of Private Security Agencies |
| 53/1983 : Rehabilitation Levy |
| 29/1987 : Rehabilitation of Persons, Properties and Industries Authority |
| 29/1996 : Rehabilitation of Public Enterprises |
| 09/1992 : Rehabilitation of the Visually Handicapped Trust Fund |
| 16/1962 : Release from Custody of German Nationals’ Property |
| 08/1991 : Release of Remand Prisoners |
| 05/2002 : Removal of Officers (Procedure) |
| 07/1972 : Rent |
| 34/1976 : Rent (Amendment) |
| 10/1977 : Rent (Amendment) |
| 55/1980 : Rent (Amendment) |
| 26/2002 : Rent (Amendment) |
| 45/1973 : Requisition and Acquisition of Lorries |
| 04/1971 : Requisitioning of Motor Vehicles and Agricultural Equirpment |
| 09/2007 : Resettlement Authority |
| 10/2013 : Resettlement Authority (Amendment) |
| 06/1979 : Resident Guest (Tax Exemption) |
| 32/1981 : Resthouses (Amendment) |
| 03/1975 : Resumption of Stata Land (Anuradhapura Preservation Board) |
| 03/2009 : Retired Senior Police Officers’ Association (Incorporation) |
| 68/1992 : Rev Rathgama Siri Sumanawansa Nahimi Memorial Foundation (Incorporation) |
| 43/2009 : Rev. Moonamale Dhammarathana Memorial Foundation (incorporation) |
| 19/1962 : Revenue Protection |
| 26/1961 : Revised Edition of the Legislative Enactments(Supplements) |
| 12/2019 Revival of Underperforming Enterprises or Underutilised Assets (Repeal) |
| 43/2011 : Revival of Underperforming Enterprises or Underutilized Assets |
| 05/2017 : Revocation of Irrevocable Deeds of Gift on the Ground of Gross Ingratitude |
| 23/1971 : Rice Subsidy ax (Repeal) |
| 04/1998 : Richmond College Old Boys Association (Incorporation) |
| 29/1978 : Rifai Thareeq Association of Sri Lanka (Incorporation) Law |
| 12/2016 : Right to Information |
| 73/1981 : Road Development Authority |
| 37/2009 : Road Development Authority (Amendment) |
| 05/1988 : Road Development Authority (Special Provisions) |
| 06/2011 : Rohitha Abeygunawardana Foundation (Incorporation) |
| 28/1980 : Roman Catholic Archbishop and Bishops of Ceylon (Amendment) |
| 27/1985 : Roman Catholic Archbishop and Bishops of Ceylon (Amendment) |
| 07/1991 : Roman Catholic Archbishop and Bishops of Ceylon (Amendment) |
| 30/2014 : Roman Catholic Archbishop and Bishops of Ceylon (Amendment) |
| 19/2000 : Roman Catholic Archibishop and Bishops of Ceylon (Amendment) |
| 06/1992 : Royal Asiatic Society of Sri Lanka (Incorporation) |
| 15/1961 : Rubber Export Duties (Special Provisions) |
| 02/1977 : Rubber Replanting Subsidy (Amendment) |
| 09/1998 : Rubber Replanting Subsidy (Amendment) |
| 20/2006 : Rubber Replanting Subsidy (Amendment) |
| 35/1976 : Rubber Research (Amendment) |
| 04/1979 : Rubber Research (Amendment) |
| 39/1987 : Rubber Research (Amendment) |
| 28/2003 : Rubber Research (Amendment) |
| 18/1988 : Ruhunu Cultural Institution (Incorporation) |
| 05/1991 : Ruhunu Kala Kawaya (Incorporation) |
| 13/1973 : Rural Courts (Amendment) |
| 08/1992 : Ryoichi Sasakawa Cultural Health Services & Educational Services Foundation (Incorporation) |