English abbreviations from jtx to jup
- JTX (Joint Training Exercise)
- JTY (Astypalaia Airport)
- JU (Juan de Nova Island (FIPS 10-4 territory code))
- JUA (Juara Airport)
- JUB (Juba Airport)
- JUC (Jerusalem University College)
- J.U.D. (Juris Utriusque Doctor ("Doctor of Both Laws" Civil and Canon))
- Jud. (Judicium ("Judgment"))
- Judy (Judith)
- JUF (Jennings Urban Fellows)
- JUG (Java Users Group)
- JUGFET (JUnction Gate Field-Effect Transistor)
- JUGHEAD (Jonzys Universal Gopher Hierarchy Excavation And Display)
- JUH (Chizhou Jiuhuashan Airport)
- JUH-MTF (Joint User Handbook-Message Text Formats)
- JUI (Juist Airport)
- JUIC (Joint Unit Identification Code)
- JUICE (JUpiter ICy Moon Explorer)
- JUJ (Gobernador Horacio Guzmán International Airport)
- JUK (Ukkusissat Heliport)
- JUL (Inca Manco Capac Airport)
- J.U.L. (Juris Utriusque Licentiatus ("Licentiate of Both Laws"))
- JULL (Joint Universal Lessons Learned (Report))
- JULLS (Joint Universal Lessons Learned System)
- JUM (Jumla Airport)
- JUMP (Junior Undiscovered Math Prodigies)
- JUMPS (Joint Uniform Military Pay System)
- JUN (Jundah Airport)
- JUNG (Java Universal Network Graph)
- JUO (Joint Urban Operations)
- JUP (Joint University Program)