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

See also