| Calvary Church of Sri Lanka (Incorporation) Act | 10 February 1999 |
| Cancer Research Foundation of Sri Lanka (Incorporation) | 17 November 2009 |
| Capital Levy Act | 24 November 1971 |
| Captain Anuruddha Parakrama Wijewantha Memorial Cultural Foundation (Incorporation) | 07 April 1997 |
| Carriage By Air Act | 28 September 2018 |
| Carriage of Goods by Sea Act | 21 May 1982 |
| Casino Business (Regulation)Act | 07 December 2010 |
| Cassim Family Trust (Incorporation) Act | 27 July 2000 |
| Catholic Bishops’ Conference in Sri Lanka (Incorporation) Act | 29 April 1983 |
| Catholic Union of Sri Lanka(Incorporation) Act | 25 November 1993 |
| Ceiling on Housing Property (Special Provisions) Act | 24 March 1988 |
| Ceiling on Housing Property Law | 13 January 1973 |
| Cemeteries and Burial Grounds Ordinance | 01 January 1899 |
| Census Ordinance | 30 October 1900 |
| Central Bank of Sri Lanka Act | 22 November 2023 |
| Central Ceylon Muslim Ladeis’ Union (Incorporation) | 16 November 2007 |
| Central Colleges Past Pupils’ Association of Sri Lanka (Incorporation) | 21 February 2012 |
| Central Cultural Fund Act | 18 December 1980 |
| Central Freight Bureau Law | 01 September 1973 |
| Central Tennekumbura Young Men’s Muslim Association (Incorporation) Act | 21 August 1991 |
| Centre for Islamic Guidance (Incorporation) Act | 04 June 1998 |
| Centre for Islamic Studies, Colombo (Incorporation) Act | 10 December 1991 |
| Centre for Manthinda Social Services and Vocational Training (Incorporation) Act | 21 December 1991 |
| Ceylon (Parliamentary Elections) Order in Council | 27 September 1948 |
| Ceylon Association for the Mentally Retarded (Incorporation) Act | 27 February 1971 |
| Ceylon Baithful Mal Fund (Incorporation) Law | 09 April 1976 |
| Ceylon Cold Stores (Possession and Control) Act | 10 April 1989 |
| Ceylon College of Physicians Act | 27 February 1971 |
| Ceylon Development Loans Act | 22 February 1954 |
| Ceylon Electricity Board Act | 15 July 1969 |
| Ceylon German Technical Training Institute Act | 20 September 2017 |
| Ceylon Hotel School Graduates Association (Incorporation) Act | 06 June 1984 |
| Ceylon Independence Act | 10 December 1947 |
| Ceylon Moor Ladies’ Union Act | 22 June 1968 |
| Ceylon Muslim Scholarship Fund Ordinance | 16 July 1946 |
| Ceylon National Association for the Prevention of Tuberculosis Act | 18 March 1957 |
| Ceylon National Chamber of Industries Act | 14 May 1969 |
| Ceylon National Library Services Board Act | 01 May 1970 |
| Ceylon Pentecostal Mission Act | 24 March 1970 |
| Ceylon Petroleum (Foreign Claims) Compensation Act | 18 December 1965 |
| Ceylon Petroleum Corporation Act | 29 May 1961 |
| Ceylon Police Saving Association Ordinance | 22 April 1928 |
| Ceylon Post Office Savings Bank Ordinance | 01 October 1941 |
| Ceylon Railway Daily-Paid Workers Benevolent Association (Incorporation) Act | 29 July 1965 |
| Ceylon Railway Guards’ and Locomotive Enginemen’s Provident Association Act | 01 June 1969 |
| Ceylon Railway Uniform Staff Benevolent Fund Ordinance | 19 December 1949 |
| Ceylon Scout Council (Incorporation) Act | 27 March 1957 |
| Ceylon Shipping Corporation Act | 09 March 1971 |
| Ceylonese Evangelistic Association Law | 05 December 1975 |
| Chamber of Commerce Ordinance | 19 November 1895 |
| Chamber of Construction Industry of Sri Lanka | 22 November 2019 |
| Chandima Weerakkody Foundation (Incorporation) Act | 04 March 2014 |
| Chartered Institute of Personnel Management Sri Lanka | 05 November 1976 |
CHARTERED INSTITUTE OF TAXATION OF SRI LANKA (INCORPORATION) ACT 13/2023 : Sri Lanka Institute of Taxation (Incorporation) (Amendment) Not updated | 19 June 2000 |
Chartered Institute of Transport of Sri Lanka (Incorporation) Act 8/2023 : Chartered Institute of Transport of Sri Lanka (Incorporation)(Amendment) Not Updated | 27 March 2000 |
| Chauffeurs Regulation Ordinance | 09 September 1912 |
| Cheetu Ordinance | 01 April 1935 |
Chemical Weapons Convention Act 1/2019 : Chemical Weapons Convention (Amendment) Not Updated | 20 November 2007 |
| Chief of Defence Staff Act | 09 July 2009 |
| Chilaw Buddhist Association (Incorporation) Law | 22 June 1978 |
Children and Young Persons Ordinance 39/2022 : Children and Young Persons (Amendment) Not updated | 28 April 1939 |
| Chinmaya Mission of Sri Lanka (Incorporation) Act | 05 May 1981 |
| Chitra Lane Welfare Society for Children with Special Needs(Incorporation)Act | 21 April 2015 |
| Christian Assembly of Sri Lanka (Incorporation) Act | 23 May 1984 |
| Church of Ceylon (Incorporation) Act | 06 August 1998 |
| Church of the Foursquare Gospel in Sri Lanka (Incorporation) Act | 08 October 1986 |
| Church of the Gospel Ministries in Sri Lanka (Incorporation) Act | 20 June 1994 |
| Citizenship Act | 15 November 1948 |
| Civil Aspects of International Child Abduction Act | 09 August 2001 |
Civil Aviation Act 24/2023 : Civil Aviation (Amendment) Not Updated 12/2018 : Civil Aviation (Amendment) not updated | 03 November 2010 |
| Civil Aviation Authority of Sri Lanka Act | 18 December 2002 |
| Civil Courts Procedure (Special Provisions) Law | 29 November 1977 |
| Civil Law Ordinance | 01 July 1853 |
| Civil Procedure Code Ordinance | 01 August 1890 |
| Co-Operative Employees Commission Act | 21 March 1972 |
| Co-Operative Societies (Special Provisions) Act | 21 March 1952 |
| Co-Operative Societies (Special Provisions) Act | 31 December 1970 |
| Co-Operative Societies Law | 11 October 1972 |
| Co-Operative Societies Loans (Special Provisions) Act | 02 September 1969 |
| Co-Operative Wholesale Establishment Act | 01 July 1950 |
| Coast Conservation and Coastal Resource Management Act | 09 September 1981 |
Coconut Development Act 7/2019 : Coconut Development (Amendment) Not updated | 30 October 1971 |
| Coconut Fibre Act | 10 March 1967 |
| Coconut Products Ordinance | 01 November 1935 |
| Coconut Research Ordinance | 05 December 1928 |
Code of Criminal Procedure (Special Provisions) Act 42/2007 : Code of Criminal Procedure (Special Provisions) Not updated 2/2013 : Code of Criminal Procedure (Special Provisions) Not updated | 31 May 2005 |
| Code of Criminal Procedure Act (Consolidated upto 2024) | 02 July 1979 |
College of General Practitioners of Sri Lanka (Incorporation) Law 51/1980 : College of General Practitioners of Sri Lanka(Incorporation)(Amendment) Not updated | 19 August 1974 |
| Colleges of Education Act | 23 September 1986 |
| Colombo Bible College Act | 16 September 1971 |
| Colombo Buddhist Theosophical Society (Incorporation) Act | 21 May 1998 |
| Colombo Gospel Tabernacle (Incorporation) Law | 05 December 1975 |
| Colombo Grand Mosque (Incorporation) Act | 21 August 1986 |
| Colombo Municipal Council (Differential Rates) Act | 15 May 1962 |
| Colombo Port City Economic Commission Act | 28 May 2021 |
| Colombo Waterworks Municipal Council Ordinance | 02 January 1908 |
| Colonial Treasury Bills Ordinance | 31 July 1923 |
Commercial Mediation Centre of Sri Lanka Act 37/2005 : Commercial Mediation Centre of Sri Lanka (Amendment) Not updates | 09 August 2000 |
| Commission to Investigate Allegations of Bribery or Corruption Act | 27 October 1994 |
| Commissions of Inquiry Act | 08 September 1948 |
| Community Based Corrections Act | 10 December 1999 |
| Community Recovery & Development Foundation (Incorporation) | 05 July 2007 |
| Companies (War Contributions) Ordinance | 05 February 1941 |
| Companies Act | 20 March 2007 |
| Companies Tax Act | 06 June 1961 |
| Competent Authority (Powers and Functions) Act | 25 March 2002 |
| Compulsory Food Production (Tax Relief) Ordinance | 02 February 1943 |
| Compulsory Public Service Act | 29 December 1961 |
| Compulsory Savings Act | 29 January 1971 |
| Computer Crime Act | 09 July 2007 |
| Comrades of the Great War (Ceylon) Association Ordinance | 12 November 1923 |
| Condominium Management Authority Law | 20 March 1973 |
| Congress of Religions Act | 12 March 1970 |
| Construction Industry Development Act | 16 October 2014 |
| Consular Functions Act | 11 February 1981 |
Consumer Affairs Authority Act 20/2021 : Consumer Affairs Authority (Amendment) Not updated | 17 March 2003 |
| Consumer Credit Act | 18 August 1982 |
| Contempt of a Court, Tribunal or Institution Act, No. 8 of 2024 | 01 February 2024 |
| Contingencies Fund Act | 07 September 1979 |
| Control of Pesticides Act | 05 September 1980 |
| Convention Against Doping in Sport Act | 11 November 2013 |
Convention Against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment Act 15/2021 : Convention Against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment (Amendment) Not updated | 20 December 1994 |
| Convention on Preventing and Combating Trafficking in Women and Children for Prostitution Act | 20 September 2005 |
Convention on the Suppression of Terrorist Financing Act 3/2013 : Convention on the Suppression of Terrorist Financing (Amendment) Not updated 41/2011 : Convention on the Suppression of Terrorist Financing (Amendment) Not updated | 08 August 2005 |
| Conventions Against Illicit Traffic in Narcotic Drugs and Psychotropic Substances Act | 23 January 2008 |
| Conversion of Estate Roads Into Public Roads Act | 17 February 1956 |
| Conversion of Government Owned Business Undertakings Into Public Corporations Act | 15 May 1987 |
| Conversion of Public Corporations or Government Owned Business Undertakings Into Public Companies Act | 15 May 1987 |
| Corneal Grafting Act | 12 November 1955 |
| Coronavirus Disease 2019 (COVID – 19) (Temporary Provisions) Act | 01 March 2020 |
| Council of Legal Education Ordinance | 21 March 1900 |
| Council Of The College Of Community Physicians Of Sri Lanka (Incorporation) | 24 June 1999 |
| Council of the College of Ophthalmologists of Sri Lanka (Incorporation) Act | 08 May 2000 |
| Courts’ Records (Inspection By Minister of Justice) Act | 12 March 1958 |
| Credit Councils (Repeal) Act | 23 September 1986 |
Credit Information Bureau of Sri Lanka Act 42/2008 : Credit Information Bureau of Sri Lanka (Amendment) Not updated | 08 May 1990 |
| Criminal Justice Commissions (Repeal) Law | 09 March 1950 |
| Criminal Lunatics Ordinance | 08 October 1889 |
| Criminal Trials (Special Provisions) Act | 02 July 1979 |
| Crown Agents (Change of Designation) Act | 01 January 1954 |
| Crown Lands Ordinance | 01 September 1949 |
| Cultural Property Act | 17 December 1988 |
| Cumaratunga Munidasa Foundation (Incorporation) Act | 02 March 1994 |
| Customs Ordinance | 01 January 1970 |