Jo, jo, JO, or J.O. may refer to:

  • Jordan (ISO country code: JO)
  • .jo, the internet country code top-level domain (ccTLD) for the country of Jordan
  • JALways (IATA code: JO), airline subsidiary of Japan Airlines
  • Journal Officiel de la République Française, the official gazette of the Government of France
  • , a roughly 4-foot-long wooden staff used in some Japanese martial arts
  • Jo (film), a 1971 French comedy
  • The U.S. Navy rating abbreviation for "journalist"

Read more about Jo:  People