| Abbreviation | Definition |
|---|---|
| KJF | Karl Jaspers Forum |
| KSF | Kentuckiana Support Forum |
| KUF | Kindle Users Forum |
| LAF | Lafayette Activities Forum |
| LAUF | London Archive Users Forum |
| LCAF | Local Countryside Access Forum |
| LEF | Leading Edge Forum |
| LEF | Life Extension Forums |
| LEMB | Luftwaffe Experten Message Board |
| LFF | Louisiana Family Forum |
| LPDF | Leadership and Professional Development Forum |
| LPF | Laser Pointer Forums |
| LPF | Leisure Property Forum |
| LQF | Lothian Quality Forum |
| LSF | Liverpool Social Forum |
| LUF | LINUX Users Forum |
| LWMF | London Web Managers Forum |
| MBF | Machine Builder Forum |
| MCCF | Mid Continent Compliance Forum |
| MCCF | Monterey County Composers Forum |