JO
- JO – (s) Jordan (FIPS 10-4 country code; ISO 3166 digram)
- JOA – (a/i) Joint Operations Area
- JOD – (s) Jordanian dinar (ISO 4217 currency code)
- Jofa – (p) Jonssons fabriker (Swedish, "Jonsson's Factories")
- JOPES – (a) Joint Operations Planning and Execution System
- JOR – (s) Jordan (ISO 3166 trigram)
- JOTS – (a) Joint Operations Tactical System
- JSP – (a) Joint Services Publication
Read more about this topic: List Of Acronyms And Initialisms: J