It seems appropriate that the comic author P G (for Pelham Grenville) Wodehouse should have been attracted to the abbreviation, and he created many of them for his most famous character, Jeeves:
| J |
jack (cards); joule (unit of electrical energy); Jacobean; January; Jesus; Jew; Jewish; Journal; Judaic; July; June; Jurassic; Judge (JJ = Judges); Justice |
| JA |
Judge Advocate; joint account (also J/A); Justice Appeal |
| Ja |
January (also Jan) |
| JAA |
Jewish Athletic Association |
| JAC |
Junior Association of Commerce (US) |
| JAG |
Judge Advocate General |
| Jag |
Jaguar (car make) |
| JAL |
Japan Air Lines; jet approach and landing chart (aeronautics) |
| Jam |
Jamaica |
| Jan |
January |
| J&B |
Justerini and Brooks (brand of Scotch whisky) |
| J&K |
Jammu and Kashmir |
| JANET |
joint academic network (computers) |
| JAP |
J A Prestwich & Co, auto and motorcycle engine maker; Jewish American princess |
| Jap |
Japan; Japanese |
| jap |
japanned |
| jar |
jargon |
| JAT |
Jugoslovenski Aero-Transport = Yugoslav Airlines |
| JATCRU |
joint traffic control radar unit |
| JATO |
jet-assisted take-off |
| jav |
javelin (athletics) |
| JAYCEE |
Junior Chamber of Commerce (also JC) |
| JB |
Juris Baccalaureus = Bachelor of Laws |
| jb, JB |
junction box (electric circuits) |
| JBC |
Japan Broadcasting Corporation |
| JBES |
Jodrell Bank Experimental Station |
| JBS |
John Birch Society (US) |
| JC |
Jesus Christ; Jewish Chronicle; Jockey Club; Julius Caesar; Junior Chamber of Commerce (and member of same); junior college (US); juvenile court |
| J-C |
Jesus-Christ = Jesus Christ (in French) |
| JCB |
Initials of Joseph Cyril Bamford, inventor of the internationally used earth-moving machines; Bachelor of Canon Law |
| JCC |
Jesus College, Cambridge; Junior Chamber of Commerce |
| JCI |
Junior Chamber International |
| JCNAAF |
Joint Canadian Navy-Army-Air Force |
| JCL |
job control language (computers) |
| JCR |
junior common room |
| JCS |
Joint Chiefs of Staff; Joint Commonwealth Societies |
| jct |
junction |
| JD |
Justice Department (US); Diploma in Journalism; juvenile delinquent |
| jd |
joined |
| JEC |
Joint Economic Committee (US Congress) |
| Jer |
Jersey; Jerusalem |
| JET |
Joint European Torus (nuclear fusion research machine) |
| JEEP |
Straying acronym meant to express General all-purpose Vehicle (GP). Thus Willy’s GP became the famous Willy’s Jeep |
| Jes Coll |
Jesus College, Oxford |
| JETRO |
Japan External Trade Organisation |
| JFK |
John Fitzgerald Kennedy, former US president; New York airport |
| JHS |
junior high school |
| JICNARS |
Joint Industry Committee for National Readership Surveys |
| jnr |
junior (also jr) |
| joc |
jocular |
| JOGLE |
John o’Groats to Land’s End |
| journo |
journalist |
| JP |
Justice of the Peace |
| JUD |
Doctor of Canon and Civil Law |
| jur |
juror |
| JRC |
Junior Red Cross |
| jt |
joint |
| Jul |
July |
| Jun |
June |
| jurisp |
jurisprudence |
| juv |
juvenile |
| JW |
Jehovah’s Witness (religious organisation) |
| JWB |
Jewish Welfare Board |
| jwlr |
jeweller |
| JWT |
J Walter Thompson advertising agency |
| JWU |
Jewish War Veterans |