| 6GSW | 6 Gates City’s Social Welfare | |
| AAI | ActionAid International | |
| AAKH | Aik Allah Kaafi Hay (Pakistan) | |
| AAOV | Action Aid Of Vietnam | |
| ACC | Alpine Club of Canada | |
| ACNC | Australian Charities and NFPs Commission | |
| ACT | Abraham’s Children Together | |
| ACT | Action by Churches Together | |
| ACT | Advanced Coronary Treatment | |
| ACT Alliance | Action by Churches Together Alliance | |
| ACTT | Avila Charity Tennis Tournament | |
| ADASS | Association of Directors of Adult Social Services | |
| ADCF | Apple Daily Charitable Foundation | |
| ADfam | Alchol,Drugs,family | |
| ADRA | Adventist Development and Relief Agency | |
| AED | Aide à l’Eglise en Détresse | |
| AESN | Association for the Educationally Subnormal | |
| AFC | Anglican Foundation of Canada | |
| AFCG | Arlington Fire Charitable Group | |
| AGWA | Amazing Grace Women’s Aid | |
| AIAC | Associated Italian American Charities | |
| AIC | Association Internationale des Charities | |
| AICL | Amnesty International Charity Limited | |
| AICP | Association of Islamic Charitable Projects | |
| AIMS | Association for Improvements in Maternity Services | |
