Alus or ALUS may refer to:
- Alu sequence
- Arithmetic logic units (often abbreviated as "ALUs")
- Alternative Land Use Strategy
- Alternative Land Use Services
- Aquatic Life Use Support
- Automatic Loading and Unloading System
- Alus, Iran, a village in Iran
- Alus, Iraq, a village near Haditha, in the Al-Anbar governorate of Iraq
- Alus, alternate name for Malek Alus, a village in Iran
- Alus Restor, a character in Final Fantasy III
- Alus, Lithuanian and Latvian word for beer