- johnin
- John IV
- John IX
- Johnna
- johnny
- Johnny
- johnnycake
- johnny cake
- Johnny Canuck
- Johnny collar
- Johnny-come-lately
- johnny house
- Johnny-jump-up
- Johnny-on-the-spot
- Johnny raw
- Johnny Reb
- John o'Groat's House
- John o'Groats
- John of Austria
- John of Damascus
- John of Gaunt
- John of Lancaster
- John of Leyden
- John of Salisbury
- John of the Cross
- John Paul I
- John Paul II
- John Paul II, Pope
- John Q. Public
- Johns
- Johnson
- Johnson, Andrew
- Johnson, James Weldon
- Johnson, Lyndon Baines
- Johnson, Samuel
- Johnson City
- Johnsonese
- Johnson grass
- Johnsonian
- Johnston
- Johnston's organ
- Johnstown
- John the Baptist
- John Thomas
- John V
- John VI
- John VII
- John VIII
- John X
- John XI
- John XII
- John XIII
- John XIV
- John XIX
- John XV
- John XVII
- John XVIII
- John XXI
- John XXII
- John XXIII
- John XXIII, Pope
- Johor Baharu
- Johore
- Johore Bahru
- Joiada
- joie de vivre
- join
- joinder
- joined-up
- joiner
- joiner door
- joinery
- join forces
- joint
- joint account
- joint and last survivor annuity
- joint bar
- Joint Chiefs of Staff
- joint committee
- joint compound
- joint consultation
- joint custody
- joint density function
- jointed
- jointer
- jointer plane
- joint family
- join the club
- joint ill
- joint issue
- jointless
- joint life annuity
- joint life insurance
- jointly
- joint resolution
- jointress
- joint return
- joint runner
- joint session
- joint stock
- joint-stock company
- joint stool
- joint tenancy
- joint tenant
- jointure
- joint venture
- joint-venture
- jointworm
- join up
- Joinvile
- Joinville
- joist
- jojoba
- Jokai
- joke
- jokebook
- joker
- jokester
- jokey
- joking
- Jokjakarta
- joky
- jol
- jolabokaflod
- Jolie
- jolie laide
- Joliet
- Joliette
- Joliot-Curie
- Jolivet
- jollier
- Jolliet
- jollification
- jollify
- jollities
- jollity
- jollop
- jolly
- Jolly balance
- jolly boat
- jolly jumper
- Jolly Jumper
- Jolly Roger
- Jolo
- Jolson
- jolt
- jolty
- JOMO
- Jomon
- Jon
- Jon.
- Jonah
- Jonah and the whale
- Jonah crab
- Jonathan
- Jonathan spot
- jone
- jones
- Jones
- Jones, John Paul
- Jonesboro
- Joneses
- Jonestown
- jong
- Jongkind
- jongleur
- Jonker diamond
- Jönköping
- jonnock
- Jonquière
- jonquil
- Jonson
- jook
- Jooss
- Joplin
- Joplin, Scott
- Joppa
- Jordaens
- jordan
- Jordan
- Jordan, Michael
- Jordan almond
- Jordan arc
- Jordan curve
- Jordan curve theorem
- Jordan engine
- Jordan-Hölder theorem
- Jordan River
- Jormungand
- Jormunrek
- jornada
- joropo
- Joro spider
- jorum
- Jorˈdanian
- Jos
- Joselyn
- Josep
- joseph
- Joseph
- Joseph, the husband of Mary
- Joseph's-coat
- Joseph and his brothers
- Joseph Bonaparte Gulf
- Joseph I
- Joseph II
- Josephine
- Joseph of Arimathea
- Josephson
- Josephson effect
- Josephson junction
- Josephus
- josh
- Josh
- Josh.
- Joshua
- Joshua tree
- Josiah
- Josie
- joskin
- Jospin
- Josquin des Prés
- joss
- josser
- joss house
- joss stick
- jostle
- jot
- jota
- jotter
- jotting
- Jotun
- Jotunheim
- joual
- Joubert
- jougs
- Jouhaux
- jouissance
- jouk
- Joukahainen
- joule
- Joule
- Joule's law
- Joule effect
- Joule-Thomson effect
- jounce
- jour.
- Jourdan
- journ.
- journal
- journal box
- journal bronze
- journalese
- journal intime
- journalism
- journalist
- journalistic
- journalize
- journey
- journeyman
- journeywork
- journo
- joust
- Jouve
- Jouy print
- Jove
- jovial
- joviality
- Jovian
- Jovian planet
- jow
- Jowett
- jowl
- jowly
- joy
- Joy
- joyance
- joy buzzer
- Joyce
- Joyce, James
- Joycean
- joyful
- joyless
- Joyner
- Joyner-Kersee
- joyous
- joypad
- joypop
- joyride
- joystick
- Jozi
- jp
- JP
- J particle
- JPEG
- Jpn.
- J-pop
- Jr
- jr.
- Jr.