Eon, also spelled On, or Un, Ohn, Uhn is a single-syllable Korean given name, and an element in two-syllable Korean given names.
[1] Its meaning differs based on the hanja used to write it.
People with this name include: There are 14 hanja with the reading "eon" on the South Korean government's official list of hanja which may be registered for use in given names.
Though, only 7 of these are routinely used.
[2] The character "eon" is uncommon in given names; it is exceedingly rare as the first character and thus, it happens to be found as the second syllable in most existing names.