Abbreviations beginning with a

ACSISAcute Coronary Syndrome Israeli Survey
Medical » Syndromes

ACSISAdvanced Cultural Studies Institute of Sweden (est. 2002; Linköping University)
Miscellaneous

ACSISAmerican Council for the Study of Islamic Societies (La Salle University; Philadelphia, PA)
Miscellaneous

ACSISAfrican Civil Society on the Information Society
Regional » African

ACSISAthletic Conference of Singapore International Schools
Sports » Athletics

ACSKAdaptive Code Shift Keying
Academic & Science

ACSKAssociation of Cambodian Students in Kyushu
Academic & Science » Students

ACSLAdvanced Continuous Simulation Language
Academic & Science » Language & Literature

ACSLAdvisory Committee on Student Life
Academic & Science » Students

ACSLAltocumulus Standing Lenticular Clouds (often confused for UFOs)
Academic & Science

ACSLAmerican Computer Science League
Academic & Science » Universities

ACSLAnalytical Chemistry Services Laboratory
Academic & Science

ACSLAdvanced Chemical Science Laboratory (US National Institute of Standards and Technology)
Community

ACSLAlternate Crops and Systems Laboratory
Community

ACSLArt and Cultural Studies Laboratory
Community » Culture

ACSLAustrian College Sports League
Community » Sports

ACSLAmerican Computer Science League
Computing

ACSLAdvanced Continuous Simulation Language
Governmental » Military

ACSLAsociaci??n de Caridad San Lucas
International » Guatemalan