| Abbreviation | Definition |
|---|---|
| LOQ | Lo-q |
| LOTS | Lotte Regs/144a |
| LPA | LPA Group, PLC. |
| LPH | LP Hill, PLC. |
| LPX | Lipoxen |
| LRD | Laird |
| LRE | Lancashire |
| LRL | Leyshon Res |
| LRM | Lombard Risk |
| LSC | Lon.sec |
| LSE | Lon.stk.exch |
| LSEG | London Stock Exchange Group |
| LSI | Lifeline Sci. S |
| LSIC | Lifeline Sci |
| LSL | Lsl Prop |
| LSLI | Lon.and St Law. |
| LSMO | Eni Lasmo Opsus |
| LSP | London & Stam. |
| LSR | Local Shop. |
| LSRG | Ojsc Lsr S |