Names and nicknames Abbreviations and Acronyms
- JENJensen
- JENJennifer Convertibles, Inc.
- JENSJensen
- JERJeremiah
- JFJean-Francois
- JFJohn Francis
- JFXThe Jones Falls Expressway
- JIJohn Isaac
- JJJames John
- JJJohn Joseph
- JJJohn James
- JJJohn Johnson
- JJJabber Jaws
- JJJessica Joy
- JJJohn Jasper
- JJJon, Junior
- JJJon Jacob
- JJJoseph John
- JJJosh Junior
- JJJumping Jack
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