GTM may refer to:
Places Guatemala, a country in Central America Golden Triangle Mall, a shopping mall in Texas, United States Grampian Transport Museum, a museum in Alford, Aberdeenshire Greater Manchester, a ceremonial county in North West England
Science, technology, and mathematics GoToMeeting, online meeting and desktop sharing software Graduate Texts in Mathematics, a series of mathematics textbooks published by Springer-Verlag Generative topographic map, a machine learning method Global Traffic Manager, a load balancing module for some F5 Networks appliances Global Server Load Balancing Google Tag Manager, a tag management system built by Google Greystone Technology M, a schema-less transactional database Large Millimeter Telescope (Spanish: Gran Telescopio Milimétrico), the world's largest millimetric telescope, located in Mexico
Vehicles Gross Ton Mile, the product of total weight (including the weight of lading cars and locomotives) and the distance moved by a train or other vehicle Gross Trailer Mass, the portion of the mass of a fully laden trailer that is carried by the wheels GT-M, a Soviet tracked military vehicle GT-MU, a command and control variant GTM Cars, a former UK-based kit car manufacturer from 1967 to 2022 GTM Supercar Factory Five Racing
Other uses Bureau of Global Talent Management, an agency in the United States Department of State Go-to-market, a strategy to approach the market with a new product or service Grammar–translation method, a method of language teaching Greentech Media, a media and research company that covered the green technology market Groovin' the Moo, an annual music festival held at various regional centres across Australia during the middle of the year Great Translation Movement, a Chinese online movement Ghana–Togo Mountain languages, a group of Kwa languages spoken in the mountains of the Ghana–Togo borderland