| Acronym | Definition |
|---|
| JT | Justin Timberlake |
| JT | James Taylor |
| JT | John Thomas |
| JT | John Travolta (actor) |
| JT | John Terry |
| JT | Joshua Tree (U2 music album) |
| JT | Japan Times (newspaper) |
| JT | Jury Trial (law) |
| JT | Japan Tobacco |
| JT | Jethro Tull (band) |
| JT | Jason Taylor (American football player) |
| JT | Jim Thorpe (Pennsylvania) |
| JT | Journal Télévisé (French: TV News) |
| JT | Jordan Telecom |
| JT | Josh Turner (country music artist) |
| JT | Javelin Throw (track and field) |
| JT | Java Time (GMT+0730) |
| JT | Just Thinking |
| JT | Joule-Thomson (Effect) |
| JT | Just Teasing |
| JT | Joint Test |
| JT | Junctional Tachycardia |
| JT | Jolin Tsai (Taiwan) |
| JT | Jamie Thomas |
| JT | Jet Trainer |
| JT | Joel Turner (beatboxer, Australia) |
| JT | Jive Turkey (Internet slang) |
| JT | Job Table |
| JT | Joint Transmission |
| JT | Junction Tree |
| JT | Joint Tenant |
| JT | John Titor |
| JT | Junior Trinity (UK) |
| JT | Rio de Janeiro to Trinidad (routing designation; US Navy) |
| JT | JTIDS Terminal |
| JT | Junior Technician (HM Royal Air Force) |
| JT | Just Trouble |
| JT | Jupitel Thunder (gaming) |
| JT | Joint Trench |
| JT | Jurutera Tempatan (Brunei) |