GTL

GTL may refer to:

Organisations

 * GTL Ltd, an Indian network service provider
 * Georgia Tech Lorraine, a campus of the Georgia Institute of Technology in Metz, France
 * Glenvale Transport, an English bus company
 * Global Tel Link, an American telecommunications company
 * Groupe Tactique Lorraine, a French resistance force in World War II
 * Guntakal railway division (reporting mark), of Indian Railways
 * Guntakal Junction railway station (station code), Andhra Pradesh, India

Science and technology

 * Gas to liquids, a refinery process
 * Gunning transceiver logic, a type of logic signaling

Other uses

 * GT Legends, a video game
 * GTL (Grand Touring, Light); in motorsports, a 1980s light prototype (lesser than GTP) class of the IMSA GT Championship