| Abbreviation | Definition |
|---|---|
| LAT | Latin Gold Ltd |
| LAU | Lindsay Australia Ltd |
| LBL | Laserbond Ltd |
| LBT | Labtech Systems Ltd |
| LBTO | Labtech Systems Ltd |
| LBTOA | Labtech Systems Ltd |
| LBY | Liberty Gold NL |
| LBYO | LBYO |
| LCE | London City Equities Ltd |
| LCM | Logicamms Ltd |
| LCR | Laconia Resources Limited |
| LCT | Living Cell Technologies Ltd |
| LCY | Legacy Iron Ore Ltd |
| LCYO | Legacy Iron Ore Ltd |
| LCYOA | Legacy Iron Ore Limited |
| LCYOB | Legacy Iron Ore Limited |
| LDW | Ludowici Ltd |
| LEG | Legend Mining Ltd |
| LEI | Leighton Holdings, LTD. |
| LEIKMA | Leighton Holdings Limited |