GTW may refer to:
Transportation
- Holešov Airport, in Zlín Region, Czech Republic
Rail transport
- Grand Trunk Western Railroad, an American railway
- Stadler GTW, an articulated railcar
- Gatwick Airport railway station, a railway station in Sussex, England
Road transport
- Gross trailer weight rating
- Gross train weight
Other uses
- GTW (TV station), in Western Australia
- Gateway, Inc., an American computer maker
- Geosciences Technology Workshop
- Global Trade Watch, an American consumer advocacy organization