| Glory of Kelaniya Murals, The | Gamini | Jayasinghe | 2006 | Religion |
| Glory of The Royal Cities - A Visual Celebration of Sri Lanka | Sunil | De Costa | 2009 | General |
| Glossary of Accounting Terms - English - Tamil | Institute of Chartered Accountants of Ceylon | N/A | 1974 | General |
| Glossary of Accounting Terms - English-Sinhala | Institue of Chartered Accountants of Ceylon | N/A | 1973 | General |
| Glossary of Terms in Accounting/Economics - English-Sinhala | Institute of Chartered Accountants of Ceylon | N/A | 1974 | General |
| Gneral Dennis (Perera), The Epitome of Ledership | L. D. D. | Pieris | 2018 | General |
| Go To The Birds | E.B. | Wikramanayake | 1977 | General |
| God of Adam's Peak, The | S. | Paranavitana | 1970 | Religion |
| God of Buddha, The | Jamshed | Fozdar | 1973 | Religion |
| Gods in Early Buddhism | M.M.J. | Marasinghe | 1974 | Religion |
| God\'s Demons & Spirits | Abraham | Kovoor | 1995 | Religion |
| God\'s Secret Agent, A Battle Against Dark Forces | Herman | Gunaratne | 2017 | General |
| Golden Age of Sculpture in Sri Lanka, The | Ulrich | Von Schroeder | 1992 | General |
| Golden Age of Sculpture in Sri Lanka, The | Ulrich | Von Schroeder | 1992 | History |
| Golden Bud - Biography of Hon R.Premadasa | K. | Rajappan | 1988 | Politics |
| Golden Deer, The | Premini | Amerasinghe | N/A | Literature |
| Golden Era of B.D. Rampala | Ranjith L. | Dissanayake | 2014 | General |
| Golden Guide to South East Asia | Daniel | Wolfstone | 1964 | General |
| Golden Harvest, A | Vimala | Madhavan | 1998 | General |
| Golden Island | Denis | Clark | 1951 | Literature |
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