MGC can refer to: Machine Gun Corps Malvern Girls College Massachusetts General Court, legislature of that U.S. state Media Gateway Controller, a device in Voice over IP networks Medical Grade Cannabis Megestrol caproate, a progestin Mekong-Ganga Cooperation Melbourne Girls' College MGC, a British sports car. Michael Gordon Clifford Middle Georgia College Midsize Gas Carrier, a type of ship Midwest Gaming Classic, video game trade show in Wisconsin Mississippi Gulf Coast Mitsubishi Gas Chemical Company, Inc. Museums and Galleries Commission The Mircom Group of Companies The post-nominal for recipients of the British Columbia Medal of Good Citizenship