Jon \jon\ as a boy's name is pronounced jahn. It is of English origin. Variant of John or short form of Jonathan. Jon is also used in the French fashion, hyphenated with another name. See also Jean.
Jon has 10 variant forms: Jon-Carlo, Jon-Corey, Jon-David, Jon-Luke, Jonn, Jonnie, Jonny, Jontae, Jonte and Jon-Paul.