MCTS may reference:
Marine Communications and Traffic Services, a radio service operated by the Canadian Coast Guard which provides vessel traffic and marine weather information Microsoft Certified Technology Specialist, a professional certification from Microsoft Middelburg Center for Transatlantic Studies Milwaukee County Transit System Monte Carlo tree search – a heuristic search algorithm based on the Monte Carlo method Multiple Console Time Sharing System, a 1970s operating system developed by General Motors Research Laboratory Munich Center for Technology in Society, a research center at the Technical University of Munich Mercer County Technical Schools, a vocational public school district in Mercer County, New Jersey, United States
See also MCT (disambiguation); MCTs plural form of MCT