| Gal Oya Development Board Act | 15 December 1949 |
| Galaha Bhaddrawathie National Bhikku Care Centre Trust | 24 November 2024 |
| Galkisse Thapodhanarama Vihara Wardhana Samithiya (Incorporation) Act. No. 42 of 1984 | 05 November 1984 |
| Galle Bogahagodelle Sri Sudharsana Paramananda Purana Maha Vihara Sanwardhana Samithiya (Incorporation) | 10 December 1991 |
| Galle Heritage Foundation Act, No. 7 of 1994 | 26 April 1994 |
| Galle Municipal Staffs Benevolent Association (Incorporation) Act | 24 March 1970 |
| Galle Muslim Cultural Association Law | 31 August 1976 |
| Gamage Arthur Perera Foundation (Incorporation) | |
| Gaming Ordinance | 30 June 1889 |
| Gampaha Wickramarach chi Ayurveda Vidyalaya (Incorporation) Act, No. 30 of 1982 | 23 August 1982 |
| Gampaha Wickramarachi Ayurveda Teaching Hospital (Transfer) | 23 October 2007 |
| Gampaha Young Men’s Buddhist Association (Incorporation) Act, No. 1 of 1984 | 13 January 1984 |
| Garma Seva Niladhari (Change of Designation) Act | 29 January 1993 |
| Gas Meter Ordinance | 11 January 1871 |
| Gas Ordinance | 11 January 1869 |
| Gem (Amnesty) Law, No. 17 of 1973 | 09 May 1973 |
| Gem Trading Bank Act, No. 51 of 1993 | 21 October 1993 |
| General Committee of the Baadhi Beeya Association, Kahataowita, Ordinance | 13 March 1947 |
| General Consistory of the Dutch Reformed Church in Ceylon Ordinance | 03 November 1926 |
| General Council of the Ceylon Bible Society (Incorporation) Law | 05 December 1975 |
| General Council of the Ceylon Bible Society (Incorporation) Law, No. 48 of 1975 | 05 December 1975 |
| General Loan and Stock Ordinance | 16 February 1921 |
| Geneva Conventions Act, No 4 of 2006 | 26 February 2006 |
General Sir John Kotelawala Defence Academy Act
27/1988 : Sir John Kothalawala Defence Academy (Amendment) Not updated
30/1990 : General Sir John Kothalawala Defence Academy (Amendment) Not updated
50/2007 : Sir John Kotelawala Defence Academy (Amendment) Not updated | 3 November 1981 |
| General Sir John Kotelawala Defence University (Special Provisions) Act | 07 July 2018 |
| Girl Guides Association, Ceylon, (Incorporation) Act | 13 November 1965 |
| Gnanodaya Foundation (Incorporation) | |
| Goods and Services Tax Act. No 34 of 1996 | |
| Government Analyst (Disposal of Articles) Act, No. 69 of 1988 | 17 December 1988 |
| Government Gazette (Publication) Ordinance | 15 November 1930 |
| Government Indemnity Bonds Act | 03 February 1956 |
| Government Officers’ Benefit Association (Incorporation) Act | 28 June 1971 |
| Government Quarters (Recovery of Possession) Act | 28 April 1969 |
| Government Services Buddhist Association (Incorporation) | |
| Government Surveyors’ Association Ordinance | 21 March 1939 |
| Government-Sponsored Corporations Act | 14 April 1955 |
| Grama Sevaka (Change of Designation) Law, No. 5 of 1977 | 29 January 1993 |
| Gramabhiwurdhi Sadhaka Society (Incorporation) Act | 18 March 1957 |
Gramodaya Mandala Fund Act, No. 28 of 1982
68/2009 : Gramodaya Mandala Fund (Amendment) Not updated | 11 August 1982 |
| Grant of Citizenship Act | 18 February 1986 |
Grant of Citizenship to Persons of Chinese Origin (Special Provisions)
5/2009 : Grant of Citizenship to Stateless Persons (Special Provisions) (Amendment) Not updated | 31 October 2008 |
Grant of Citizenship to Persons of Indian Origin Act
6/2009 : Grant of Citizenship to Persons of Indian Origin (Amendment) Not updated | 11 November 2003 |
| Grassroot Foundation (Incorporation) | 2009 |
| Green Movement of Sri Lanka (Incorporation) | |
| Guides Ordinance | 24 November 1906 |
