| Journey Through the Hills of Lakegala | Goonewardene | Ceylon Today | 1965 | 14 | 1 | 19 - 24 | General |
| Judicial Administration of the Kandyan Provinces of Ceylon, 1815-1833, The | Samaraweera | Ceylon Journal of Historical & Social Studies, The | 1971 | 1 (New Series) | 2 | 123 - 150 | History |
| Judiciary, The - Past & Present | Keuneman | Journal of the D.B.U. | 1948 | XXXVIII | 1 | 1 - 25 | General |
| July 1983 & the National Question in Sri Lanka: A Bibliographical Guide | Goonetileke | Race & Class | 1984 | XXVI | 1 | 159 - 193 | General |
| July 1983 & The National Question of Sri Lanka - A Bibliography | Goonetileke | Sri Lanka - The Ethnic Conflict | 1984 | N/A | N/A | 243 - 277 | General |
| Jumbo - the Mascot of the Ceylon Army | De Silva | Ceylon Today | 1967 | 16 | 12 | 17 - 18 | General |
| Jungle Adventure | Davidson | Loris | 1963 | IX | 5 | 291 - 292 | General |
| Jungle Adventure - Okkampitiya to Kumana Down the Kumbukkan River | Jansen | Loris | 1958 | VIII | 1 | 31 - 33 | General |
| Jungle Fowls of the World with Notes on the Ceylon Jungle Fowl | Dhanapala | Loris | 1969 | XI | 5 | 301 - 302 | General |
| Jungle Holiday, A | Wynell-Mayow | Loris | 1984 | XVI | 6 | 284 - 286 | General |
| Jungle Pool | Spittel | Times of Ceylon Annual | 1957 | N/A | N/A | N/A | General |
| Jungle Stories | Deraniyagala | Loris | 1984 | XVI | 5 | 229 - 232 | General |
| Jurassic Plants from the Tabbowa Series in Ceylon | Sitholey | Spolia Zeylanica | 1944 | 24 | 1 | 3 - 17 | General |
| Just War Tradition and Buddhism | | International Studies | 2009 | 46 | 4 | 423 - 438 | Religion |
| JVP Splits | Uyangoda | Polity | July - August 2008 | 4 | 5 | 5 - 7 | Politics |
| Kabaragoya & His Dinner, A | Peris | Loris | 1967 | XI | 2 | 104 - 105 | General |
| Kadadora Grant (An Ola Leaf Manuscript from the Kadadora Vihara in the Central Province) | Godakumbura | Journal of the Royal Asiatic Society | 1952 | II New Series | 2 | 141 - 158 | General |
| Kahapana of the Vinaya Parajika Pali, The | Codrington | Journal of the Royal Asiatic Society | 1923 | XXIX | 76 | 215 - 220 | Religion |
| Kalametiya Bird Sanctuary | Soysa | Loris | 1990 | XIX | 2 | 64 - 66 | General |
| Kali Villu, At | Jayasekere | Loris | 1969 | XI | 5 | 317 - 318 | General |
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