| Niti & Pradeep, A Gripping Story of Romance and Love | Rodney | Downall | 2015 | Literature |
| Niti-Nighanduva or The Vocabulary of Law | C.J.R. | LeMesurier | 1994 | General |
| Nivedini Vol 1, No 2, & Vol 2, No 1 (S.L.Feminist Journal) | Selvy | Thiruchandran | 1995 | General |
| No Cousin, I'll To Fife - Ceylon Civil Service Memoirs | V. L. | Wirasinha | 2000 | General |
| No Easy Answers - The Development of the Asian Navies | James | Goldrick | 1997 | General |
| No Ordinary Bloke | Donny | Paterson | 2009 | General |
| No, Minister! - Memoirs of a Political Appointee | K.C.F. | Wijeyewickrema | N/A | General |
| Nobodies To Somebodies - Colonial Bourgeoisie in S.L. | Kumari | Jayawadena | 2000 | General |
| Noel - Sri Lanka's Christmas Magazine, Vol 8, Christmas 2009 | N/A | N/A | 2009 | General |
| Noel - Sri Lanka's Christmas Magazine, Vol 9, Christmas 2010 | N/A | N/A | 2010 | General |
| Noel Crusz\'s Little Bike Lost | Avishka Mario | Senewiratne | 2022 | General |
| Noel, Sri Lanka's Christmas Magazine, Vol 10, Christmas 2011 | N/A | N/A | 2011 | General |
| Noel, Sri Lanka\'s Christmas Magazine, Vol 13 | Pradeep | Amirthanayagam | 2014 | General |
| Noel, Sri Lanka\'s Christmas Magazine, Vol 16 | Pradeep | Amirthanayagam | 2017 | General |
| Non-Alignment & Peace Versus Military Alignment & War | Nihal Henry | Kuruppu | 2004 | General |
| Non-Alignment & The Developing Countries | Christian Workers Fellowship | N/A | N/A | General |
| Non-Formal Education in Sri Lanka | Marga Institute | N/A | 1974 | General |
| Noon Tide Toll | Romesh | Gunesekera | 2014 | Literature |
| Nor Iron Bars A Cage | Penelope | Tremayne | 1990 | General |
| North Ceylon in Dutch Times | R.L. | Brohier | 1940 | History |
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