Acis (disambiguation)

Acis is a character in Greek mythology

Acis or ACIS may refer to:


 * Acis (river), river in Sicily, Italy
 * Acis (coral), a genus of coral in the family Plexauridae
 * Acis (plant), a genus of flowering plants
 * ACIS (Alan, Charles, Ian's System), a solid modelling geometric modeling kernel that several CAD packages use
 * Advanced CCD Imaging Spectrometer, an instrument on NASA's Chandra X-ray Observatory
 * Algoma Central Railway, which has the reporting mark "ACIS"
 * Acoustic Control Induction System, a Variable Length Intake Manifold|variable induction system developed by Toyota
 * Applied Climate Information System, a software system developed by NOAA's Regional Climate Centers (RCC)
 * ACIS (Adenocarcinoma in situ) on pap smear, equal to grade 3 cervical intraepithelial neoplasia
 * ACIS, a professional designation for associates of the Institute of Chartered Secretaries and Administrators