Abbreviations starting with J
110 abbreviations begin with J. This page lists J to JXL.
- J – Joule +2 more
- J-1 – J-1 exchange visitor visa
- J&J – Johnson & Johnson
- J1772 – SAE J1772 charging connector
- J2EE – Java 2 Platform, Enterprise Edition
- J4F – Just for fun
- J.A. – Joint appendix
- JAG – Judge Advocate General
- JAK2 – Janus kinase 2
- JAKi – Janus kinase inhibitor
- JAMS – JAMS (formerly Judicial Arbitration and Mediation Services)
- Jamstack – JavaScript, APIs and Markup
- Jan – January
- JAPAC – Japan and Asia Pacific
- Jas. – James
- JAX – Jacksonville International Airport
- JAXA – Japan Aerospace Exploration Agency
- Jb – Job +2 more
- JBL – James B. Lansing Sound
- JBOD – Just a bunch of disks
- JCAHO – Joint Commission on Accreditation of Healthcare…
- JCB – J. C. Bamford Excavators +1 more
- JCD – Juris Canonici Doctor (Doctor of Canon Law)
- JCL – Juris Canonici Licentiatus (Licentiate in Canon Law)
- JCS – Joint Chiefs of Staff
- Jct. – Junction +1 more
- JD – Juris Doctor +2 more
- JDAM – Joint Direct Attack Munition
- JDBC – Java Database Connectivity
- JDK – Java Development Kit
- JDR – Juvenile and domestic relations district court
- JDRF – Juvenile Diabetes Research Foundation
- Jdt. – Judith
- JE – Journal entry +1 more
- JED – King Abdulaziz International Airport
- JEE – Joint Entrance Examination
- Jer. – Jeremiah
- JFET – Junction field-effect transistor
- JFK – John F. Kennedy +1 more
- JG – Jungle (jungler)
- JGB – Japanese government bond
- JHB – Johannesburg
- JHS – Junior high school
- JHU – Johns Hopkins University
- JIA – Juvenile idiopathic arthritis
- JIC – Joint information center +1 more
- JIF – Journal Impact Factor
- JIT – Just-in-time
- JJ. – Judges or Justices
- JK – Just kidding
- JL – Japan Airlines +1 more
- JLPT – Japanese-Language Proficiency Test
- JLR – Jaguar Land Rover
- JLTV – Joint Light Tactical Vehicle
- JM – Jamaica
- JME – Juvenile myoclonic epilepsy
- JMO – Just my opinion
- JMOL – Judgment as a matter of law
- Jn – John
- JNB – O. R. Tambo International Airport
- Jno. – John
- JNOV – Judgment non obstante veredicto (judgment notwithstanding…
- JO – Jordan
- joc. – Jocular
- JOD – Jordanian dinar
- JOLTS – Job Openings and Labor Turnover Survey
- JOMO – Joy of missing out
- Jon. – Jonah
- Jos. – Joseph
- Josh. – Joshua
- JP – Jackson-Pratt drain +2 more
- JPEG – Joint Photographic Experts Group
- JPG – JPEG image file
- JPL – Jet Propulsion Laboratory
- JPML – Judicial Panel on Multidistrict Litigation
- JPY – Japanese yen
- Jr. – Junior +1 more
- JRE – Java Runtime Environment
- JROTC – Junior Reserve Officers' Training Corps
- JRPG – Japanese role-playing game
- JS – JavaScript
- JSA – Jobseeker's Allowance
- JSC – Joint-stock company +1 more
- JSCM – Joint Service Commendation Medal
- JSOC – Joint Special Operations Command
- JSON – JavaScript Object Notation
- JSP – JavaServer Pages
- JST – Japan Standard Time
- JSTARS – Joint Surveillance Target Attack Radar System
- JSU – Jackson State University
- JSX – JavaScript XML
- JSYK – Just so you know
- JTAC – Joint terminal attack controller
- JTAG – Joint Test Action Group
- JTLYK – Just to let you know
- JTWROS – Joint tenants with right of survivorship
- Judg. – Judges
- Jul – July
- Jun – June
- JV – Joint venture
- JVA – Joint venture agreement
- JVC – Victor Company of Japan
- JVD – Jugular venous distension
- JVM – Java Virtual Machine
- JVP – Jugular venous pressure
- JW – Just wondering +1 more
- JWICS – Joint Worldwide Intelligence Communications System
- JWST – James Webb Space Telescope
- JWT – JSON Web Token
- JXL – JPEG XL