| Abbreviation | Definition |
|---|---|
| ARBA | American Rare Breed Association |
| ARBA | American Red Brangus Association |
| ARBA | American Rinelander Bunny Association |
| ARBCA | Association of Reformed Baptist Churches of America |
| ARBF | Association de Replacement de Bouledogues Français |
| ARBK | Association of Reinsurance Brokers of Kenya |
| ARCA | Addiction Recovery Care Association |
| ARCA | Alberta Roofing Contractors Association |
| ARCA | Association for Research into Crimes against |
| ARCA | Association of Regional Center Agencies |
| ARCA | Australasian Retail Credit Association |
| ARCA | Australian Retail Credit Association |
| ARCB | Association of Referees Connacht Branch |
| ARCC | Association for the Rights of Catholics in the Church |
| ARCEN | Asociacia Român pentru Cultur, Educacie _i Normalitate (in Romanian) Romanian Association for Culture, Education and Normality |
| ARCEN | Asociatia Româna pentru Cultura, Educatie si Normalitate (in Romanian) Romanian Association for Culture, Education and Normality |
| ARCH | Association for the Rights of Citizens with |
| ARCH | Association for the Rights of Citizens with handicaps |
| ARCI | Association of Racing Commissioners International |
| ARCM | Association |