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| Wildlife of Udawalawe at Len's Range | Chanith | Wijeratne | 2010 | General |
| Wilds of Lanka - A Visual Treat of Yala National Park | Ravi | Samarasinha | 2004 | General |
| Wilhelm Geiger - His Life & Works | Heinz | Bechert | 1977 | General |
| Will People Give Solutions At Gunpoint? - Speech by R.Premadasa | Ministry of State | N/A | 1985 | General |
| Will To Freedom, The - An Inside View of Tamil Resistance | Adele | Balasingham | 2001 | General |
| William Gopallawa - Centenary Volume | Mahen C.L.B. | Gopallawa | 1998 | General |
| Willow Quartette, The | Channa | Gunasekara | N/A | General |
| Wilpattu Murder Case, The | A.C. | Alles | 1975 | General |
| Window Cleaner\'s Soul, The | Lal | Medawattegedera | 2005 | Literature |
| Winds Behind the Willows | Ranjan | Mellawa | 2017 | General |
| Winds of Sinhala, The | Colin | De Silva | 1982 | Literature |
| Winds of The Forests, The - Memoirs of a Nature Lover | W.R.H. | Perera | 1997 | General |
| Wine Making | Industrial Development Board of Ceylon | N/A | 1979 | General |
| Winged Visitor and other Stories from Sri Lanka | Edith | Weereratne | 1973 | Literature |
| Wings In The Wetlands | T.S.U. | de Zylva | 1996 | General |
| Wings of Sri Lanka - Sri Lanka Air Force 1951-2001 | Rienzi | Pereira | 2001 | General |
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