முன்னொட்டுச் சுட்டி
- J. J. Thompson
- J. N.
- JAG
- JCK
- JCSSAB
- JICPR
- JIH
- JIP
- JMPR
- JPA
- JRA
- JUNIC
- Jabalpur
- Jack Dempsey
- Jack in the pulpit
- Jacksonian seizure
- Jackwell
- Jacob's coat
- Jaffa orange
- Jaggers
- Jaguar
- Jaina.
- Jaipur
- Jamaica
- Jamaican
- Jambatan
- Jambul fruit
- James Chadwick
- Jammu
- January
- Janus green B
- Japan
- Japanese
- Japanese amberjack
- Japanese eel
- Japanese knotweed
- Japanese lantern
- Japanese yew
- Japanophobia
- Japonia
- Jasmin
- Jasmine Nightshade
- Jason
- Jatvingian
- Jaunsari
- Java
- Javanese
- Javelin Throw
- Jedi
- Jehu
- Jemen
- Jennu Kurumba
- Jersey Legal French
- Jerusalem
- Jess
- Jessie
- Jesus Christ
- Jesus Christ lizard
- Jesus jammies
- Jewdar
- Jewish
- Jicaque
- Jicarilla
- Jingpho
- Jita
- Jodhpur
- Jog falls
- John
- John Dory
- John Lennon glasses
- John Lennon spectacles
- John the Baptist
- Johnny-jump-up
- Johnny Raw
- Johnson counter
- Johnsonese
- Jordan
- Joseph Dalton Hooker
- Joseph Lister
- Joshua tree
- Joule
- Joule's law
- Joule-Thomson effect
- Journal Voucher
- Jowisz
- Jrriais
- Juang
- Judeophobia
- Judicial Committee of the Privy Council
- Juif
- Juke boxes
- Jukebox
- Julius Plucker
- Jumamosi
- Jumanne
- Jumapili
- Jumatano
- Jumatatu
- Jump Ball
- Juneberry
- Jungle track
- Jupiter
- Jupiter's beard
- Jurassic period
- Jurchen
- Juriliction
- Justice
- Justice of the Peace
- Juvenile Court Youth Court
- JΜΑΡΙ