| 10YTC | 10 Year Trail shared stewardship Challenge | |
| AACC | Added Advantage Child Care | |
| AACCI | Association of Adolescent and Child Care in India | |
| ABCFP | Association of BC Forest Professionals | |
| ABSF | Appomattox Buckingham State Forest | |
| ACCB | Affordable Child Care Benefit | |
| ACCN | Adventist Child Care Network | |
| ACCT | Assistant Child Care Teacher | |
| ACF | Assistant Conservator of Forest | |
| ACF | Agricultural Construction Forestry | |
| AFC | Arkansas Forestry Commission | |
| AFC | Alabama Forestry Commission | |
| AFES | Agricultural and Forestry Experiment Station | |
| AFF | Ancient Forest Friendly | |
| AFFA | Agriculture Fisheries and Forestry Australia | |
| AFFA | Agriculture, Fisheries and Forestry Australia | |
| AFFOREST | Afforestation | |
| AFGG | Allegheny Forest Gravel Grinder | |
| AFHA | Appalachian Forest Heritage Area | |
| AFID | Agriculture and Forestry Industries Development | |
| AFM | American Forest MGMT | |
| AFM | American Forest Management | |
| AFOA | Alabama Forest Owners Association | |
| AFOA | Alabama Forest Owners’ Association | |
| AFOLU | Agricultural Forestry and Other Land Use | |
