LFS

LFS can stand for:

Organizations:
* Libertarian Futurist Society, annually presents the Prometheus award for best libertarian Science Fiction.
* Lutheran Family Services of Virginia, a non-profit human services organization providing foster care, adoption, special education schools, home-based services, volunteer and therapeutic mentoring and more.
* Lincoln Financial Sports, a sports production company

In computing:
* Live for Speed, an online racing simulation.
* Linux From Scratch, a kit for building Linux distributions.
* Large file support, support for files larger than 2 gibibytes.
* Local file system, the file system of the local machine

Computer file systems:
* Live File System, Microsoft's implementation of UDF 2.5 in Windows Vista.
* Log-structured File System (BSD), a log-structured file system for NetBSD.
* Logic File System, a research file system that uses propositional logic for querying and navigating files.

Other:
* Local Fish Store, an abbreviation in the reefkeeping world on the net.
* Lutetium Fine Scilicate, Scintillation crystal material
* Low Floor System, a bus manufactured by Nova Bus used mainly for public transit.
* Labour Force Survey, a household survey of employment statistics conducted in all European Union countries as well as Canada, Australia and New Zealand