9J
# 9J

9J or 9-J can refer to:

* 9-j symbol
* IATA code for Dana Air
* New York State Route 9J
* Le Rhône 9J
* AIM-9J, a model of AIM-9 Sidewinder
* F-9J, a model of Grumman F-9 Cougar
* GCR Class 9J, a class of British 0-6-0 steam locomotive
* France's Rotary Engine Le Rhone 9J
