These are the courses offered by NILIS.
| Program | Programme Information |
| | Sinhala | Tamil | English |
1 | Advanced Certificate in Librarianship (ACL) |  |  |  |
2 | Diploma in Library & Information Management (DLIM) |  | Will be added soon. | Will be added soon. |
3 | Diploma in Public Librarianship (DPL) |  | Will be added soon. | Will be added soon. |
4 | Diploma in School Librarianship (DSL) |  | Will be added soon. | Will be added soon. |
5 | Higher Diploma in Library & Information Management (HDLIM I & II) | - | - | - |
6 | MPhil / PhD | - | - | - |
7 | Master in Teacher Librarianship (MTL) | - | - | - |
8 | Postgraduate Diploma in Teacher Librarianship (PGTL) | - | - | - |