| Abbreviation | Definition |
|---|---|
| MTCT | Mother Teresa charitable Trust |
| NAFCC | National Association of Free and Charitable Clinics |
| NANNA | Northamptonshire Animals Needing Nurturing & Adoption |
| NBHF | Narrow Boat Heritage Foundation |
| NBLB | No Bike Left Behind |
| NCIB | National Charities Information Bureau |
| NFCC | North Fulton Community Charities |
| NICT | Northern Ireland Charities Together |
| NIICE | Northern Ireland Independent Charity Examiners |
| NLCB | National Lottery Charities Board |
| NOCF | NOVA Open Charitable Foundation |
| NSC | Network for Social Change, Inc. |
| NSFC | Network for Social Change, Inc. |
| NUHC | Nottingham University Hospitals Charity |
| NWCG | Nick Wilson Charitable Group |
| NWCR | North Wales Charity Ramblers |
| OAS | Operation Afghan Safety |
| OCGA | Ontario Charitable Gaming Association |
| OJ | Oder of Jamaica |
| OLC | Our Lady of Charity |
