- AECA stands for Arms Export Control Act
- AECA stands for Agricultural Energy Consumers Association (Sacramento, CA)
- AECA stands for Anti-Endothelial Cell Antibody
- AECA stands for Australian Early Childhood Association, Inc.
- AECA stands for Atlanta Electronic Commerce Association
- AECA stands for Atomic Energy Commission of Arizona
- AECA stands for Arkansas Association on Children under Six
AECA