Jacob
Hebrew: supplanter, from the Bible story of the twins Esau and Jacob
(Jackson, Jake, James, Jay)

Jalil
Hindi: name of a god

Jamal
Arabic: camel
(Gamal, Gammal, Jamaal, Jammal)

James
English: form of Jacob
(Jamie, Jaimie, Jan, Jay, Jim, Jimmy)

Janus
Latin: the keeper of the gate

Jared
Hebrew: he who descends
(Jarrod)

Jason
Hebrew: God is my savior
(Jay)

Jasper
Persian: the bearer of treasure
(Caspar, Casper, Gaspar, Kaspar, Kasper, Cass)

Jay
Roman: to rejoice

Jean
French: John

Jeffrey
Teutonic: bringer of peace
(Jeff, Jeffy, Jeffie, Geoffrey, Geoff)

Jeremy
English: God is on high
(Jeremiah, Gerry, Jerry)

Jesse
Hebrew: a giver of gifts, or one of great wealth
(Jess, Jessie, Jessy)

Jesus
Hebrew: Gof will help

Jethro
Hebrew: outstanding or excellent
(Jeth)

Joel
Hebrew: God's willingness
(Joe)

John
Hebrew: God is gracious and merciful
(Jack, Johnny, Johnnie, Jock, Jon, Joni, Jay, Jean, Ian, Ivan)

Jomo
West African: tribal name

Jonah
Hebrew: dove
(Jonas)

Johanthan
Hebrew: God's gift
(Jon, Jonny, Jonathon)

Jordan
Hebrew: to flow downward
(Jory, Jori, Josef)

Joshua
Hebrew: God is my salvation
(Josh, Jason, Jesus)

Jude
Latin: praise
(Jud, Judd)

Julis
Greek: soft-colored hair
(Hulian, Julien, Jules, Julio)

Justin
Latin: just
(Justinian, Justus)