| Acronym | Definition |
|---|
| ALU | Arithmetic Logic Unit |
| ALU | Alcatel-Lucent (stock symbol) |
| ALU | Abraham Lincoln University (California) |
| ALU | Army Logistics University (Fort Lee, VA) |
| ALU | American Labor Union (labor federation) |
| ALU | University of Alabama |
| ALU | Akademija Lepih Umetnosti (Slovenian: Academy of Fine Arts) |
| ALU | Assisted Living Unit |
| ALU | Akademija za Likovno Umetnost (Ljubljana, Slovenia) |
| ALU | Arab Lawyers Union (Sweden) |
| ALU | Academy of Life Underwriting |
| ALU | Asbestos Licensing Unit |
| ALU | Average Labour Unit |
| ALU | Application Layer User |
| ALU | Association of Life Insurance Underwriters (USA) |
| ALU | Automatic Line Unthresholded |
| ALU | Advanced Life Underwriting |
| ALU | Automatic Loading & Unloading (industrial robots) |
| ALU | Antenna Loading Unit |