List of acronyms and initialisms: J

This list contains acronyms, initialisms, and pseudo-blends that begin with the letter J.

For the purposes of this list:

acronym = an abbreviation pronounced as a series of constituent letters, e.g., SARS = severe acute respiratory syndrome
initialism = an abbreviation pronounced wholly or partly using the names of its constituent letters, e.g., CD = compact disc
pseudo-blend = an abbreviation whose extra or omitted letters means that it cannot stand as a true acronym, initialism, or portmanteau (a word formed by combining two or more words).

(a) = acronym in the example: SARS – (a) Severe acute respiratory syndrome

(i) = initialism in the example: CD – (i) Compact disc

(p) = pseudo-blend in the example: UNIFEM – (p) United Nations Development Fund for Women

(s) = symbol (none of the above, representing and pronounced as something else; for example: MHz – Megahertz)

Contents:	Top - J0–9 JA JB JC JD JE JF JG JH JI JJ JK JL JM JN JO JP JQ JR JS JT JU JV JW JX JY JZ

J – (s) Joule

J0–9

J1 – (s) Joint [Manpower &] Personnel Directorate
J2 – (s) Joint Intelligence Directorate
J2EE – (i) Java 2 Platform, Enterprise Edition
J2ME – (i) Java 2 Platform, Micro Edition
J2SE – (i) Java 2 Platform, Standard Edition
J3 – (s) Joint Operations Directorate
J4 – (s) Joint Logistics Directorate
J5 – (s) Joint Strategic Plans & Policy Directorate
J6 – (s) Joint Information Technology Directorate (Command, Control, Communications & Computer Systems)
J7 – (s) Joint Operational Plans & Interoperability Directorate
J8 – (s) Joint Force Structure, Resources, & Assessment Directorate
J9 – (s) Joint Public Affairs Directorate (Civilian-Military Cooperation)

JA

ja – (s) Japanese language (ISO 639-1 code)
JA – (s) Japan (FIPS 10-4 country code)
JAFT – (s) Just A Field Test
JAG – (a) Judge Advocate General Corps (military law)
JAL – (p) Japan Airlines
JALLC – (a) Joint Analysis and Lessons Learned Centre (NATO)
JAM – (s) Jamaica (ISO 3166 trigram)
JAMA – (i) Journal of the American Medical Association
JANET – (p) Joint Academic Network
JANUS – (a) Joint Academic Network Using Satellites (UK) – Joint Army Navy Uniform Simulation – (p) Joint Army-Navy Staff – Just ANother Useless Simulation (Note: The U.S. Army Janus simulation is not an acronym)
JATO – (a) Jet-Assisted Take-Off
jav – (s) Javanese language (ISO 639-2 code)

JB

JB – (i) Junior Branch
JB – (i) Jail Bait
JB – Jonas Brothers
JBFSA – (i) Joint Blue Force Situational Awareness

JC

JCATS – (a) Joint Conflict And Tactical Simulation ("djay-catts")
JCDB – (i) Joint Common Data Base
JCDS – (i) Joint Chiefs of the Defence Staff
JCIDS – (i) Joint Capabilities Integration and Development System
JCIET – (i) Joint Combat Identification Evaluation Team
JCL – (i) Job Control Language
JCMOTF – (a) Joint Civil-Military Operations Task Force
JCP – (a) Java Community Process
JCPM – (i) Java Child Process Manager – Jesus Christ Prison Ministry
JCS – (i) Joint Chiefs of Staff
JCW – (i) Juggalo Championship Wrestling

JD

JD – (i) Jack Daniel's (whiskey) – Julian day – Juris Doctor (Latin, "doctor of jurisprudence")
JDAM – (a/i) Joint Direct Attack Munition ("djay-dam")
JDBC – (i) Java Data Base Connectivity
JDCC – (i) UK Joint Doctrine and Concepts Centre, now the Development, Concepts, and Doctrine Centre, DCDC
JDEM – (i) Joint Dark Energy Mission
JDK – (i) Java Development Kit
JDL – (i) Jewish Defense League

JE

JE – (s) Jersey (FIPS 10-4 territory code)
JEB – (a) James Ewell Brown Stuart – Jeb Bush – Jeb Stuart – John Ellis Bush
JEE – (i) Java Platform, Enterprise Edition
JEFX – (p) Joint Expeditionary Force eXperiment
JET – (a) Joint European Torus
JEZ – (a) Joint Engagement Zone

JF

JFACC – (i) Joint Force Air Component Commander
JFACTSU – (a) U.S. Joint Forward Air Control Training and Standards Unit
JFC – (i) Joint Force Commander
JFCOM – (p) U.S. Joint Forces Command ("jiff-comm")
JFET – (i/a) Junction Field-Effect Transistor ("jay-fett")
JFHQ-NCR – (i) Joint Force Headquarters National Capital Region
JFK – (i) John Fitzgerald Kennedy or the airport named after him.
JFLCC – (i) Joint Force Land Component Commander
JFMCC – (i) Joint Force Maritime Component Commander
JFO – (i) Journal of Field Ornithology
JFSOCC – (i) Joint Force Special Operations Component Commander
JFTX – (i) Joint Field Training Exercise
JFF-Jamaica Football Federation

JH

JH – (i) Japan Highway Public Corporation

JI

JI – (i) Joint Implementation
JIB – (a) Joint Information Bureau
JIC – (a) Joint Intelligence Centre
JINI – (a) Java Intelligent Network Infrastructure
JITC – (i) Joint Interoperability Test Command
JIVE – (a) Joint Institute for VLBI (Very Long Baseline Interferometry) in Europe

JJ

JJAP – (i) Japanese Journal of Applied Physics

JK

JK – (i) Jedi Knight – Just Kidding – (s) Spanair (IATA airline designator)

JL

JL – (s) Japan Airlines (IATA airline designator)
JLA – (i) Justice League of America

JM

JM – (s) Jamaica (FIPS 10-4 country code; ISO 3166 digram)
JMD – (s) Jamaican dollar (ISO 4217 currency code)
JMS – (i) Java Message Service

JN

JN – (s) Jan Mayen Island (FIPS 10-4 territory code)
JNI – (i) Java Native Interface
JNLP – (i) Java Network Launch Protocol

JO

JO – (s) Jordan (FIPS 10-4 country code; ISO 3166 digram)
JOA – (a/i) Joint Operations Area
JOD – (s) Jordanian dinar (ISO 4217 currency code)
Jofa – (p) Jonssons fabriker (Swedish, "Jonsson's Factories")
JOPES – (a) Joint Operations Planning and Execution System
JOR – (s) Jordan (ISO 3166 trigram)
JOTS – (a) Joint Operations Tactical System
JSP – (a) Joint Services Publication

JP

JP – (s) Japan (ISO 3166 digram) – (i) Justice of the Peace
JPEG – (a) Joint Photographic Experts Group ("djay-peg")
JPL – (i) Jet Propulsion Laboratory
jpn – (s) Japanese language (ISO 639-2 code)
JPN – (s) Japan (ISO 3166 trigram)
JPOW – (i) Joint Project Optic Windmill
JPY – (s) Japanese yen (ISO 4217 currency code)

JQ

JQ – (s) Jetstar Airways (IATA airline designator) – (i) Johnny Quick – (s) Johnston Atoll (FIPS 10-4 territory code) – (i) Jonny Quest – Joshua Quagmire

JR

JRA – (i) Japanese Red Army – Joint Rear Area
JRDF – (i) Joint Rapid Deployment Forces
JRE – (i) Java Runtime Environment
JREF – (i) James Randi Educational Foundation
JROC – (i) Joint Requirements Oversight Council
JROCM – (i) JROC Memorandum
JRRF – (i) Joint Rapid Reaction Forces
JRSAI – Journal of the Royal Society of Antiquaries of Ireland

JS

JSAF – (a) Joint Semi-Automated Forces ("jay-saff")
JSAP – (i) Japan Society of Applied Physics
JSCSC – (i) Joint Services Command and Staff College
JSD – (i) juris scientiae doctor (Latin, "doctor of science of law")
JSEAD – (i) Joint Suppression of Enemy Air Defence (see SEAD)
JSF – (i) Joint Strike Fighter
JSIMS – (p) Joint Simulation System
JSOA – (i) Joint Special Operations Area
JSOTF – (i) Joint Special Operations Task Force
JSP – (i) JavaServer Page
JSR – (i) Java Specification Request
JSS – (i) Joint Support Ship Project
JSTARS – (p) Joint Surveillance Target Attack Radar System ("djay-starz")

JT

JT – (s) Johnston Atoll (ISO 3166 digram; obsolete 1986) – (i) Junior Technician (RAF)
JTAG – (p) Joint Test Action Group ("djay-tag")
JTAGS – (p) Joint Tactical Ground Station ("djay-tagz")
JTC – (i) Joint Training Confederation
J-TENS – (a) Joint-Tactical Exploitation of National Capabilities
JTF – (i) Joint Task Force
JTFEX – (p) Joint Task Force Exercise
JTIDS – (p) Joint Tactical Information Distribution System ("djay-tidz")
JTLS – (i) Joint Theater Level Simulation
JTMD – (i) Joint Theatre Missile Defence
JTN – (s) Johnston Atoll (ISO 3166 trigram; obsolete 1986)
JTRS – (a/i) Joint Tactical Radio System ("jitters")

JU

JU – (s) Juan de Nova Island (FIPS 10-4 territory code)
JUGFET – (p) JUnction Gate Field-Effect Transistor
JUO – (i) Joint Urban Operations

JV

jv – (s) Javanese language (ISO 639-1 code)
JV – (i) Joint Venture – Junior Varsity
JVM – (i) Java Virtual Machine

JW

JW – (i) Jehovah's Witnesses
JWARS – (p) Joint Warfare System (simulation)
JWP – (i) Joint Warfare Publication
JWST – (i) James Webb Space Telescope

JY

JY – (s) Japanese Yen

JZ

JZ – (i) Joint Zone

List of acronyms and initialisms

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