Boys' J

Jace

Jacen

Jachai

Jack

Jackson

Jacob

Jacoby

Jad

Jaden (boy)

Jaeger

Jagger

Jaime (boy)

Jakarious

Jake

Jakmon

Jakob

Jakoda

James

Jameson

Jamisen

Janos

Jared

Jarek

Jaret

Jareth

Jaron

Jarren

Jarvis

Jascha

Jason

Jasper

Javen

Javier

Javion

Jaxon

Jaxton

Jayce

Jaycen

Jaycon

Jayden

Jaydin

Jayke

Jaylan

Jaylen

Jayse

Jaysen

Jayvon

Jeb

Jed

Jedidiah

Jefferson

Jeffery

Jeon

Jeramey

Jeremey

Jeremiah

Jeremy

Jerome

Jeron

Jesse

Jet

Jethren

Jetlan

Jevon

Jimmy

Joaquin

Joe

Joel

Johannes

John

Johnathan

Jonah

Jonas

Jonathan

Jonathon

Jordan (boy)

Jorge

Jorin

Jory

Josef

Joseph

Josh

Joshe

Joshua

Josiah

Joss (boy)

Journey (boy)

Juan

Judah

Jude

Judson

Julian

Julien

Justice

Justin

Justus

Jusup

J.C.