| GATT | A Global Arrangement For Tax Treaties 
| Others |
| GATT | Gate Assisted Turnoff Thyristor
| Others |
| GATT | General Academic Technical Training
| Others |
| GATT | General Agreement of Tariffs and Trade
| Others |
| GATT | General Agreement on Tariff and Trade
| Others |
| GATT | General Agreement on Tariffs and Trade
| Legal |
| GATT | General Agreement on Tariffs and Trade (of the WTO)
| Others |
| GATT | General Agreement on Tariffs Tradition
| Others |
| GATT | General Agreement on Tarrifs and Trade
| Others |
| GATT | General Agreement To Talk And Talk
| Others |
| GATT | General Agricultural Tax Treaty
| Others |
| GATT | Gentlemens Agreement To Talk And Talk
| Others |
| GATT | Global Anti Tarrif Treaty
| Others |
| GATT | Global Association for Temporary Tariffs
| Others |
| GATT | Go After Tariffs and Taxes
| Others |
| GATT | God Activates Tornadoes and Tulip growth
| Others |
| GATT | Gold Assessment Trade Tax
| Others |
| GATT | Graphics Address Translation Table
| Others |
| GATT | Groot Akris Tafeltennis Toernooi
| Others |