| GT&A | Ground Test and Acceptance 
| Others |
| GTA | Gainesville Theatre Alliance
| Others |
| GTA | Gas Tax Agreement
| Others |
| GTA | Gas Tungsten Arc
| Others |
| GTA | Gas Tungsten Arc (welding)
| Others |
| GTA | Gasoline Tax Act
| Others |
| GTA | Gateway to Airguns
| Others |
| GTA | Gay Truckers Association
| Others |
| GTA | Gene Transfer Agent
| Others |
| GTA | General Teaching Accommodation
| Others |
| GTA | General Temporary Assistance
| Others |
| GTA | General Terms Agreement
| Others |
| GTA | General Terms of Agreement
| Others |
| GTA | General Transportation Aids
| Others |
| GTA | Genesis Tank Atomizer
| Others |
| GTA | Genuine Toyota Accessories
| Others |
| GTA | Geometry Topology And
| Others |
| GTA | Geometry, Trigonometry, and Algebra
| Others |
| GTA | Georgia Technology Authority
| Others |
| GTA | Georgia Telecommunications Association
| Others |
| GTA | Georgia Tennessee Alabama
| Others |
| GTA | Georgia Triumph Association
| Others |
| GTA | Georgia, Tennessee, and Alabama
| Others |
| GTA | Get That A**
| Others |
| GTA | Get That Azzhole
| Others |
| GTA | Getting Torn Apart
| Others |
| GTA | Giant Tobogganing Ants
| Others |
| GTA | Gjelina Take Away
| Others |
| GTA | Global Technology Associates
| Others |
| GTA | Global Textile Alliance
| Others |
| GTA | Global Time Attack
| Others |
| GTA | Global Title Address
| Others |
| GTA | Global Trade Atlas
| Others |
| GTA | Go 2 Talent Agency
| Others |
| GTA | Go To Another game
| Others |
| GTA | Go To Assist
| Others |
| GTA | Going To Aruba
| Others |
| GTA | Good Times Ahead
| Others |
| GTA | Goods Transport Agency
| Others |
| GTA | Gorkhaland Territorial Administration
| Others |
| GTA | Gosh, Tremendous Attributes!
| Others |
| GTA | GospelTruth Assembly
| Others |
| GTA | Government Teaches Alphabets
| Others |
| GTA | Government Technical Adviser
| Others |
| GTA | Government Telecommunications Agency
| Others |
| GTA | Graduate Teaching Assistant
| Others |
| GTA | Graduate Teaching Assistantship
| Others |
| GTA | Graduate Teaching Award
| Others |
| GTA | Graduate Transportation Associate
| Others |
| GTA | Grafenwoehr Training Area
| Others |
| GTA | Gran Turismo Allegerita
| Others |
| GTA | Gran Turismo Alleggerita
| Others |
| GTA | Gran Turismo Alleggerito
| Others |
| GTA | Gran Turismo Americano
| Others |
| GTA | Gran Turismo Articulado
| Others |
| GTA | Gran Turismo Automatic
| Others |
| GTA | Grand Theft Audio
| Others |
| GTA | Grand Theft Auto
| Others |
| GTA | Grand tie Audio
| Others |
| GTA | Grand Touring Americano
| Others |
| GTA | Grand Tourisme Alpine
| Others |
| GTA | Grand Tourismo Americano
| Others |
| GTA | Grand Trans Am
| Others |
| GTA | Grand Trunk Western (Canadian National Railway)
| Others |
| GTA | Grand Turismo Alleggerita
| Others |
| GTA | Grand Turismo Americano
| Others |
| GTA | Grant Transit Authority
| Others |
| GTA | Graphic Target Analyser
| Others |
| GTA | Graphic Training Aid
| Others |
| GTA | Graphic Training Aids
| Others |
| GTA | Gravel Terrain Adventure
| Others |
| GTA | Great Theives Acheive
| Others |
| GTA | Great Toilet A
| Others |
| GTA | Great Traffic Adventure
| Others |
| GTA | Greater Taxation Area
| Others |
| GTA | Greater Toronto Area
| Others |
| GTA | Green Tea Ale
| Others |
| GTA | Green Thumb Action
| Others |
| GTA | Green Truck Association
| Others |
| GTA | Greensboro Transit Authority
| Others |
| GTA | Greentech Automotive
| Others |
| GTA | Grenada Taxi Association
| Others |
| GTA | Ground Test Accelerator
| Others |
| GTA | Ground Test Access
| Others |
| GTA | Ground Test Article
| Others |
| GTA | Ground Torquing Assembly
| Others |
| GTA | Growth Through Agriculture
| Others |
| GTA | Gt Academy
| Others |
| GTA | Gt Argentina
| Others |
| GTA | Gt Asia
| Others |
| GTA | Gt Association
| Others |
| GTA | GTA TeleGuam (formerly Guam Telephone Authority)
| Others |
| GTA | Guam Telephone Authority
| Others |
| GTA | Gullivers Travel Associates
| Others |
| GTA | Society for Gestalt Theory and its Applications
| Others |