| Northeastern Chemical Association Scholarship | Queen's University | Faculty of Applied Science, Faculty of Arts and Science | Department of Chemical Engineering, Department of Chemistry | Chemical Engineering, Engineering Chemistry, Chemistry |
| Northrop Frye-Biology 150Y Summer Research Experience Scholarship | University of Toronto | Faculty of Arts and Science | Department of Ecology and Evolutionary Biology | |
| Novelis Scholarship | Queen's University | Faculty of Arts and Science, Faculty of Applied Science | School of Business, Department of Chemistry, Department of Economics, Department of Geological Sciences and Geological Engineering, Department of Physics, Engineering Physics and Astronomy | Bachelor of Commerce, Chemistry, Economics, Geological Sciences, Physics |
| Nursing Bursary (B.Sc.N.) | Trent University | Faculty of Arts and Science | Trent/Fleming School of Nursing | Bachelor of Science: Nursing |
| NUSU (Nipissing University Student Union) Bachelor of Science Award | Nipissing University | Faculty of Arts and Science | | Bachelor of Science |
| O.A. Seeber Bursary | Queen's University | Faculty of Arts and Science, Faculty of Applied Science | Department of Geological Sciences | Bachelor of Science: Geological Engineering |
| Oak Ridges Trail Association (ORTA) Trail Studies Prize | Trent University | Faculty of Arts and Science | Department of Geography | Honours Geography |
| O'Connor Associates Scholarship in Geological Engineering | Queen's University | Faculty of Arts and Science, Faculty of Applied Science | Department of Geological Sciences and Geological Engineering | Geological Engineering: Geo-environmental Option |
| Okamatsu Japanese Book Award | University of Toronto | Faculty of Arts and Science | Department of East Asian Studies | Japanese Studies |
| Oktay and Virginia Aksan Scholarship | University of Toronto | Faculty of Arts and Science | Department of Near and Middle Eastern Civilizations | |
| Oliver Fine Arts Bursary | Laurentian University of Sudbury | Fine Arts | | Gerontology |
| OMLTA (Ontario Modern Language Teachers' Association) Toronto French Contest Prize | University of Toronto | Faculty of Arts and Science | Department of French | French |
| Order of Sons of Italy of Ontario | University of Toronto | Faculty of Arts and Science | Department of Italian Studies | |
| Order Sons of Italy Scholarship | St. Jerome's University | Faculty of Arts | Department of Italian and French Studies | Italian Studies |
| Oren A. Earl Bursary | Queen's University | Faculty of Arts and Science | Department of Chemistry | Bachelor of Science: Honours Chemistry |
| Organic Chemistry Prize - Trent University | Trent University | Faculty of Arts and Science | Department of Chemistry | |
| Orr-Fry Prize in English | Queen's University | Faculty of Arts and Science | Department of English Language and Literature | |
| Orville and Carmel Brown Scholarship | Queen's University | Faculty of Applied Science, Faculty of Arts and Science | Department of Physics, Engineering Physics and Astronomy | Engineering Physics |
| Osborne Studd Book Prize in History | Queen's University | Faculty of Arts and Science | Department of History | |
| Ottawa Film Society Scholarship for Film Studies | Carleton University | Faculty of Arts and Social Sciences | School for Studies in Art and Culture | Film Studies |
