| GTM | Game To Monitor 
| Others |
| GTM | Game Trade Magazine
| Others |
| GTM | Gargantuan Thrill Machine
| Others |
| GTM | Gas Turbine Module
| Others |
| GTM | General Text Matcher
| Others |
| GTM | Germany Travel Mart
| Others |
| GTM | Ghost Trance Music
| Others |
| GTM | Git Time Metric
| Others |
| GTM | Global Talent Management
| Others |
| GTM | Global Tax Management
| Others |
| GTM | Global Trade Management
| Others |
| GTM | Global Traffic Management
| Others |
| GTM | Global Traffic Manager
| Others |
| GTM | Global Transaction Manager
| Others |
| GTM | Global Transport Module
| Others |
| GTM | Global Transportation Management
| Others |
| GTM | Global Travel Marketplace
| Others |
| GTM | Gnome Transfer Manager
| Others |
| GTM | Go To Meeting
| Others |
| GTM | Go-To-Market
| Others |
| GTM | Good To Me
| Others |
| GTM | Google Tag Manager
| Others |
| GTM | Gospel Through Music
| Others |
| GTM | Goten Trunks And Marron
| Others |
| GTM | GPS trackMaker Map
| Others |
| GTM | Graduate Texts in Mathematics
| Others |
| GTM | Grammar Translation Method
| Others |
| GTM | Grand Theft Minecart
| Others |
| GTM | Grand Touring Masters
| Others |
| GTM | Grand Touring Mid-Engine
| Others |
| GTM | Grand Touring Mini
| Others |
| GTM | Grand Touring Mountain
| Others |
| GTM | Grand Touring with Manual Transmission
| Others |
| GTM | Graphical Topic Maps
| Others |
| GTM | Gratuitous Tactile Moments
| Others |
| GTM | Great Teacher Mishari
| Others |
| GTM | Gross Ton Mile
| Others |
| GTM | Gross Tonne Miles
| Others |
| GTM | Gross Trailer Mass
| Others |
| GTM | Gross Train Mass
| Others |
| GTM | Ground Team Manager
| Others |
| GTM | Ground Team Member
| Others |
| GTM | Ground Test Motor
| Others |
| GTM | Ground Time Method
| Others |
| GTM | Gt Malzoni
| Others |
| GTM | Gt Modified
| Others |
| GTM | Guana Tolomato Matanzas
| Others |
| GTM | Gun Toten Mama
| Others |