Jon is simply a different spelling for John. The Spanish name for John is Juan (pronounced Huan).
Jon Vomit's birth name is Worthley, Jon.
Jon Pollak's birth name is Jon Pollak.
Jon Cavaiani's birth name is Jon Robert Cavaiani.
Anand Jon's birth name is Anand Jon Alexander.
Jon Ryan Sugimoto's birth name is Jon Ryan Sugimoto.
Jon Brion's birth name is Jon Wright Brion.
Jon Reuning's birth name is Jonathan Reuning.
Jon Pollak's birth name is Jon Pollak.
Jon Vomit's birth name is Worthley, Jon.
Jon Maiullo's birth name is Jon Dickerson.
Jon Jon Snipes's birth name is John Ralph Snipes Jr..
Jon Kellam's birth name is Kellam, Jonathan Mark.
Jon Appleton's birth name is Jon Howard Appleton.
Jon Runyan's birth name is Jon Daniel Runyan.
Jon Penington's birth name is Kenneth Jon Penington.
Jon Niccum's birth name is Jon Scott Niccum.
Jon Trapnell's birth name is Jon Charles Trapnell.