| Acronym | Meaning |
| LFS | Labour Force Survey (UK) |
| LFS | Landing Force Support Ship |
| LFS | Laser Fence Sensor |
| LFS | Lead Free Slug (small caliber ammunition) |
| LFS | Legacy Financial System (US EPA) |
| LFS | Logistics Fleet Support |
| LFS | Loral Federal Systems |
| LFS | Lost, Forgotten or Stolen (badges; Sandia National Laboratories; California and New Mexico) |