VACM stands for View-based Access Control Model (SNMP)
VACM stands for Vasopressin-Activated Calcium Mobilizing
VACM stands for VINSON (VHF(Very High Frequency)/UHF(Ultra High Frequency) Wideband Tactical Secure Voice System Cryptographic Equipment)-ANDVT (Advanced Narrowband Digital Voice Terminal) Crypographic Modernization
VACM stands for Voitures Anciennes et Classiques de Montréal (French; Canadian vintage car club)
VACM stands for Vector Averaging Current Meter
VACM stands for Virus Alerts for the Common Man