| Karma - A Story of Buddhist Ethics | Paul | Carus | 1951 | Religion |
| Karma, Rebirth, God & Computers | Lionel J. | Seneviratne | N/A | Religion |
| Kat Bitha (Mirror Wall) | Daya | Dissanayake | 2001 | Literature |
| Kataragama - The Holiest Place in Ceylon | Paul | Wirz | 1972 | Religion |
| Kataragama - The Holiest Place in Ceylon | Paul | Wirz | 1972 | Religion |
| Kataragman Mosque & Shrine, The Story of the | M.C.A. | Hassan | 1968 | Religion |
| Keenie Meenie, The British Mercenaries Who Got Away With War Crimes | Phil | Miller | 2020 | General |
| Keerthihan's Kite | Sandi | Titus | 2009 | Literature |
| Kekille of Sri Lanka, The King of Unfailing Justice | D. B. | Kuruppu | 2001 | Literature |
| Kelani Ganga Basin Scheme (Abridged Report) | Irrigation Department, Ceylon | N/A | 1961 | General |
| Kelani Valley Broad Gauge Rail Souvenir | N/A | N/A | 1991 | General |
| Kicking Around Love Grass | Kusal | Perera | 2003 | Literature |
| Kider Chetty Street | Jagath | Kumarasinghe | 2005 | Literature |
| Kilali Crossing | C. | Suriyakumaran | 2005 | General |
| King and the Assassin, The | Visakesa | Chandrasekaram | 2014 | Literature |
| King Dhatusena & His Two Sons | V.O. | de Alwis Gunawardane | 1980 | History |
| King In Kurunegala | W.T. | Keble | 1963 | History |
| Kingdom of Jafanapatnam 1645 | P.E. | Pieris | 1944 | History |
| Kingdom of Jaffna, The | S. | Pathmanathan | 1978 | General |
| Kings of Cricket - World Cup 1996 | Tyronne | Fernando | 1998 | General |
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