| Abbreviation | Definition |
|---|---|
| ACSO | African and Caribbean Student Organization |
| ACSS | Africa Center for Strategic Studies |
| ACTEA | Association for Christian Theological Education in Africa |
| ACTESA | Alliance for Commodity Trade in East and Southern Africa |
| ACTESA | Alliance for Commodity Trade in Eastern and Southern Africa |
| ACTIF | African Cotton & Textile Industries Federation |
| ACTN | African Conservation Tillage Network |
| ACVV | Afrikaanse Christelike Vrouevereniging |
| ACWR | African Centre for Water Research |
| ACWT | African Caribbean Wellbeing Trust |
| ADAPT | African Development of AIDS Prevention Trial |
| ADBF | African Domestic Bond Fund |
| ADBG | African Development Bank Group |
| ADC | African Development Center |
| ADDD | African Diaspora for Democracy and Development |
| ADDS | Africa Data Dissemination Service |
| ADEA | Association for the Development of Education in Africa |
| ADEF | African Deans of Education Forum |
| ADF | African Development Fund |
| ADFI | Association of Disabled Females International |