- AETF stands for Air and Space Expeditionary Task Force (US DoD)
- AETF stands for Army Evaluation Task Force
- AETF stands for All-England Theatre Festival (UK)
- AETF stands for Australasian Emissions Trading Forum (est. 1998; now Asia-Pacific Emissions Trading Forum)
- AETF stands for All Europe Taekwondo Federation (Lublin, Poland)
- AETF stands for Azimuth Error Test Feature
AETF