Posted in Engineering, Government & Military, Schools & Education, Science ACSI stands for Association of Christian Schools International ACSI stands for American Customer Satisfaction Index ACSI stands for Association Canadienne des Sciences de l’Information (French) ACSI stands for American Communications Services, Inc. (telecommunications company) ACSI stands for Anglo-Chinese School (Independent) ACSI stands for Atari Computer System Interface ACSI stands for Appalachian Clean Streams Initiative ACSI stands for Association of Clinical Scientists in Immunology (United Kingdom) ACSI stands for Alcoa Closure Systems International (various locations) ACSI stands for Antiguo Colegio de San Ildefonso (museum in Mexico City) ACSI stands for Afghanistan Civil Service Institute ACSI stands for Advanced Computer System Interface ACSI stands for Abstract Communications Service Interface