ALU, Alu or alu may refer to:
Computing and science
- Computing
- Arithmetic logic unit, a digital electronic circuit
- Biology
- Alu sequence, a type of short stretch of DNA
- Arthrobacter luteus, a bacterium
Organizations
- Abraham Lincoln University, Los Angeles, California, USA
- African Leadership University
- Alcatel-Lucent, a telecommunications equipment company
- Amazon Labor Union
- American Labor Union
- Army Logistics University, Fort Lee, Virginia, USA
- Sarajevo Academy of Fine Arts (Bosnian: Akademija likovnih umjetnosti Sarajevo, acronym: ALU)
People
- Andrea Alù, a scientist
- Jake Alu, professional baseball player
- Alu (musician), Los Angeles, US
Places
Villages and boroughs
- Alu, Ardabil, a village in Iran
- Alu, Mazandaran, a village in Iran
- Alu, Estonia, a small borough in Rapla Parish, Rapla County
- Alu, Pärnu County, a village in Pärnu, Pärnu County, Estonia
Volcanoes
- Alu (Ethiopia)
- Alu, Sulu, Philippines
Other
- Alû, the Mesopotamian demon of night
- Alu (runic), in Germanic paganism
- Alu Kurumba language, a Dravidian language of India