| Abbreviation | Definition |
|---|---|
| JBHKRQ | Jb Hi-fi Limited |
| JBHKRR | Jb Hi-fi Limited |
| JET | Jetset Travelworld Ltd |
| JHX | James Hardie Industries NV (CUFS) |
| JHXKMP | James Hardie Industries Se |
| JHXKRB | James Hardie Industries Se |
| JHXKRQ | James Hardie Industries Se |
| JHXKRS | James Hardie Industries Se |
| JIN | JIN |
| JKA | Jacka Resources Limited |
| JKAO | Jacka Resources Limited |
| JMB | Jumbuck Entertainment Ltd |
| JMS | Jupiter Mines Ltd |
| JPR | Jupiter Energy Ltd |
| JRL | Jindalee Resources Ltd |
| JRV | Jervois Mining Ltd |
| JVG | JV Global Ltd |
| JYC | Joyce Corporation Ltd |
| KAB | Kaboko Mining Limited |
| KABO | Kaboko Mining Limited |