ACLS
Template:Sister project ACLS may refer to:
- Acrocallosal syndrome, a genetic disease
- Advanced cardiac life support, a set of clinical interventions for medical emergencies
- American Council of Learned Societies, a federation of scholarly organizations
- Axcelis Technologies, a company producing equipment for the semiconductor manufacturing industry
- Automatic Carrier Landing System
- Association of Canada Lands Surveyors, the licensing body for professional surveyors practicing on federal lands in Canada