GTU
| Acronym | Definition |
|---|---|
| GTU | Graduate Theological Union |
| GTU | Good Things Utah (show) |
| GTU | Geforce Tweak Utility |
| GTU | Grand Touring Under Two Liter |
| GTU | Guyana Teachers' Union (Georgetown, Guyana) |
| GTU | Gravity Take-Up (conveyer systems) |
| GTU | General Trade Union |
| GTU | Gas Turbine Unit |
| GTU | General Terms of Use |
| GTU | Ground Test Unit |
| GTU | Gun Turret |
| GTU | Guidance Test Unit |