| Robinson Research Travel Grants (CBS, Molecular and Cellular Biology, OAC Environmental Biology) | University of Guelph | College of Biological Science, Ontario Agricultural College | Department of Molecular and Cellular Biology, Department of Environmental Biology | |
| Roderick Long International Travel Grant | University of Guelph | Ontario Agricultural College | | |
| Rogers Communications Inc. In-Course Scholarship | Brock University | Faculty of Social Sciences | Department of Communications, Popular Culture and Film | Communication Studies |
| Ronald C. Moyer Scholarship (Plant Agriculture) | University of Guelph | Ontario Agricultural College | Department of Plant Agriculture | |
| Ross Jones Memorial Prize | University of Guelph | Ontario Agricultural College | | |
| Rotary Ambassadorial Scholarship | All Universities | College of Agriculture and Bioresources | | |
| Roy Cairns Scholarship | Brock University | Faculty of Mathematics and Science | | Oenlogy and Viticulture |
| Royal Bank Scholarship | Brock University | Faculty of Mathematics and Science | | Oenlogy and Viticulture Program |
| Rural Planning and Development Alumni Scholarship (Rural Planning) | University of Guelph | Ontario Agricultural College | School of Rural Planning and Development | Master of Science |
| Rural Planning Field Research Travel Grants (Rural Planning) | University of Guelph | Ontario Agricultural College | School of Rural Planning | |
| S.J. Smith Memorial Scholarship (Plant Agriculture, Land Resource Science) | University of Guelph | Ontario Agricultural College | Department of Plant Agriculture, Department of Land Resource Science | |
| Samuel Carr Prize | University of Guelph | Ontario Agricultural College | | Bachelor of Science: Agriculture |
| Schneller and Summers Award (OAC) | University of Guelph | Ontario Agricultural College | | |
| School for Studies in Art and Culture Bursary | Carleton University | Faculty of Arts and Social Sciences | School for Studies in Art and Culture | |
| Sheila Scott Scholarship in English | McMaster University | Faculty of Humanities | Department of English and Cultural Studies | Honours English |
| Sister St. John In-Course Scholarships | University of St. Michael's College | | | Christianity and Culture |
| Society of Management Accountants of Ontario Scholarship | University of Guelph | | | Bachelor of Commerce, Bachelor of Arts: Business Administration Minor, Bachelor of Science: Business Administration, Bachelor of Science in Agriculture: Agriculture Business, Food Agriculture and Resource Economics |
| Soden Memorial Scholarships in Agriculture (OAC) | University of Guelph | Ontario Agricultural College | Department of Plant Agriculture | |
| Soybean Research Scholarship (Plant Agriculture) | University of Guelph | Ontario Agricultural College | Department of Plant Agriculture | |
| Stantec Environmental Science Scholarship | University of Guelph | Ontario Agricultural College | Faculty of Environmental Sciences | Bachelor of Science: Environmental Sciences |
