Wikipedia
JOPA
JOPA may refer to:
- Journal of Physics A, scientific journal published by the Institute of Physics
- "JoPa", nickname of Joe Paterno, college football coach
- Jopa, in Greek mythology a daughter of Aeolus, god of the wind, associated by Pliny the Elder with the name of Jaffa
- Junior Officer Protective (or Protection) Association, an informal organization of lower ranking US Navy officers - see for example Second VA-65 (U.S. Navy)#Desert Storm