- AAPL stands for Apple Computer, Inc. (stock symbol)
- AAPL stands for American Association of Professional Landmen
- AAPL stands for American Academy of Psychiatry and the Law
- AAPL stands for Advance Audiovisual Presentation Limited
- AAPL stands for American Audio Prose Library, Inc. (est. 1980)
- AAPL stands for Association des Architectes de la Province de Luxembourg (French: Luxembourg Province Architects Association; Belgium)
- AAPL stands for Advocates for Arkansas Public Libraries
AAPL