| 31/2023 : Galaha Bhaddrawathie National Bhikku Care Centre Trust |
| 42/1984 : Galkisse Thapodhanarama Vihara Wardhana Samithiya (Incorporation) |
| 42/1991 : Galle Bogahagodelle Sri Sudharsana Paramananda Purana Maha Vihara Sanwardhana Samithiya (Incorporation) |
| 07/1994 : Galle Heritage Foundation |
| 23/1970 : Galle Municipal Staffs Benevolent Association (Incorporation) |
| 21/1976 : Galle Muslim Cultural Association |
| 26/2009 : Gamage Arthur Perera Foundation (Incorporation) |
| 30/1982 : Gampaha Wickramarachchi Ayurveda Vidyalaya (Incorporation) |
| 51/2007 : Gampaha Wickramarachi Ayurveda Teaching Hospital (Transfer) |
| 01/1984 : Gampaha Young Men’s Buddhist Association (Incorporation) |
| 03/2000: Gangathilaka Maha Viharastha Sasanarakshaka Samithiya (Incorporation) |
| 17/1973 : Gem (Amnesty) |
| 51/1993 : Gem Trading Bank |
| 08/2007 : General Consistory of the Dutch Reformed Church of Ceylon (Amendment) |
| 48/1975 : General Council of the Ceylon Bible Society (Incorporation) Law |
| 17/2018 : General Sir John Kotelawala Defence University (Special Provisions) |
| 30/1990 : General Sir John Kothalawala Defence Academy (Amendment) |
| 04/2006 : Geneva Conventions |
| 12/1965 : Girl Guides Association, Ceylon, (Incorporation) Act |
| 29/2007 : Gnanodaya Foundation (Incorporation) |
| 34/1996 : Goods and Services |
| 11/1998 : Goods and Services Tax (Amendment) |
| 26/2000 : Goods and Services Tax (Amendment) |
| 05/2001 : Goods and Services Tax (Amendment) |
| 69/1988 : Government Analyst (Disposal of Articles) |
| 27/1971 : Government Officers’ Benefit Association (Incorporation) Act |
| 07/1969 : Government Quarters (Recovery of Possession) |
| 03/1971 : Government Quarters (Recovery of Possession) (Amendment) |
| 40/1974 : Government Quarters (Recovery of Possession) (Amendment) |
| 08/1981 : Government Quarters (Recovery of Possession) (Amendment) |
| 45/1985 : Government Quarters (Recovery of Possession) (Amendment) |
| 03/2008 : Government Services Buddhist Association (Incorporation) |
| 02/1993 : Grama Seva Niladhari (Change of Designation) |
| 05/1977 : Grama Sevaka (Change of Designation) |
| 12/1957 : Gramabhiwurdhi Sadhaka Society (Incorporation) Act |
| 28/1982 : Gramodaya Mandala Fund |
| 68/2009 : Gramodaya Mandala Fund (Amendment) |
| 38/2008 : Grant of Citizenship to Persons of Chinese Origin (Special Provisions) |
| 35/2003 : Grant of Citizenship to Persons of Indian Origin |
| 06/2009 : Grant of Citizenship to Persons of Indian Origin (Amendment) |
| 05/1986 : Grant of Citizenship to Stateless Persons |
| 39/1988 : Grant of Citizenship to Stateless Persons (Special Provisions) |
| 05/2009 : Grant of Citizenship to Stateless Persons (Special Provisions) (Amendment) |
| 77/2009 : Grassroot Foundation (Incorporation) |
| 43/1980 : Greater Colombo Economic Commission (Amendment) |
| 21/1983 : Greater Colombo Economic Commission (Amendment) |
| 49/1992 : Greater Colombo Economic Commission (Amendment) |
| 59/2007 : Green Movement of Sri Lanka (Incorporation) |
| 63/1981 : Guides (Amendment) |
