LSF

LSF may refer to:

Science and technology

 * IBM Spectrum LSF, a software job scheduler formerly called Platform LSF
 * Laser-stimulated fluorescence, a spectroscopic method
 * Late SV40 factor, a protein
 * Lightweight steel framing, a building material
 * Line spectral frequencies, in signal processing
 * Line spread function, in optics

Organisations

 * Financial Security Law of France (Loi de sécurité financière)
 * Ledøje-Smørum Fodbold, an association football club in Denmark

Other uses

 * French Sign Language (Langue des signes française)
 * Latino sine flexione, a constructed language
 * "L.S.F." (song) or "L.S.F. (Lost Souls Forever)", by Kasabian
 * Law Society's Final Examination, replaced by the Legal Practice Course, UK
 * Liberty Security Force, a faction in the video game Freelancer