| Nar-Anon Family Groups, Halton Meetings | Halton Region |
| Narcotics Anonymous | Halton Region |
| Naseeha Mental Health, Mississauga - McAdam Road Office, Peer Counselling and Information | Mississauga |
| Nassagaweya Tennis Club, Campbellville | Milton |
| National Cycling Institute Milton | Milton |
| National Eating Disorder Information Centre | Toronto Downtown Central |
| National Educational Association of Disabled Students, Ottawa | Ottawa |
| National Initiative for Eating Disorders, Education and Support Services | Toronto |
| Native Canadian Centre of Toronto | Toronto |
| Native Child and Family Services of Toronto, Mdewgaan Lodge | Toronto |
| Native Horizons Treatment Centre | New Credit |
| Native Women's Association of Canada | Gatineau |
| Native Women's Resource Centre of Toronto, Community Programs | Toronto |
| Navy League of Canada, Acton, Navy League Cadet Corps Compass Rose | Acton |
| Newcomer Centre of Peel, Mississauga, Community Connections Mentorship Program | Mississauga |
| Newcomer Centre of Peel, Mississauga, Language Instruction for Newcomers to Canada | Mississauga |
| Newcomer Centre of Peel, Mississauga, Settlement Services | Mississauga |
| Nigerian Community Halton | North Oakville |
| Nipissing Medical Clinic, Family Practice and Walk-In Clinic | Milton |
| Nisa Foundation, Nisa Homes, Mississauga | Mississauga |
| Noojimo Health, Virtual Mental Wellness Clinic | Ontario |
| North Burlington Medical Centre, Walk-in Medical Clinic | Burlington |
| North Burlington Tennis Club | Burlington |
| North BurLINKton Community Group, Dinner Night Out | Burlington |
| North Central Community Association | Burlington |
| North Halton Girls Hockey Association | Georgetown |
| North Halton Rugby Football Club | Georgetown |
| Norval United Church, Georgetown | Georgetown |
| NPower Canada | Toronto |
